приведите смешанные числа к наименьшему общему знаменателю 1 5/16 и 4  3/10,5 1/24 и 7 4/21,1 1/15, 3 5/24 и 2 3/40, 9 13/28, 2 5/8 и 3 1/6, 10 2/27, 5 1/12 и 2 5/8..... прошу помогите (((((((

[latex]1 \frac{5}{16} и 4 \frac{3}{10} = 1*16+5 и 4*10+3 = \frac{21}{5} и \frac{43}{3} [/latex] [latex] \frac{1}{24} и 7 \frac{4}{21} = \frac{1}{24} и 7*21+4 = \frac{1}{24} и \frac{151}{21} [/latex] [latex]1 \frac{1}{15} = \frac{16}{15} [/latex] [latex]3 \frac{5}{24} и 2 \frac{3}{40} = \frac{77}{24} и \frac{83}{40} [/latex] [latex]9 \frac{13}{28} = \frac{265}{28} [/latex] [latex]2 \frac{5}{8} и 3 \frac{1}{6} = \frac{21}{5} и \frac{19}{6} [/latex] [latex]10 \frac{2}{27} =\frac{272}{10} [/latex] [latex]5 \frac{1}{12} и 2 \frac{5}{8} = \frac{61}{12} и \frac{21}{8} [/latex] все конец

1 5/16=21/16 *5= 105/80 4 3/10=43/10 *8=344/80 5 1/24=121/24*7=847/168 7 4/21=151/21 *8=1208/168 1 1/15=16/15*8=128/120 3 5/24=77/24*5=385/120 2 3/40=83/40=249/120 9 13/28=265/28*6=1590/168 2 5/8=21/8*21=441/168 3 1/6=19/6*28=532/168 10 2/27=272/27*8=2176/216 5 1/12=61/12*18=1098/216 2 5/8=21/8*27=567/216