Add 28/70 and 42/16, Solve 28/70 + 2 10/16 as a fraction

Add 28/70 and 42/16

1^st number: 28/70, 2^nd number: 2 10/16

28/70 + 42/16 is 121/40.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 70 × 8 = 560,
28/70 = 28 × 8/70 × 8 = 224/560
Likewise, for the 2nd fraction, since 16 × 35 = 560,
42/16 = 42 × 35/16 × 35 = 1470/560
Add the two like fractions:
224/560 + 1470/560 = 224 + 1470/560 = 1694/560
1694/560 simplified gives 121/40
So, 28/70 + 42/16 = 121/40
In mixed form: 31/40

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