Add 80/70 and 42/16, Solve 1 10/70 + 2 10/16 as a fraction

Add 80/70 and 42/16

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

80/70 + 42/16 is 211/56.

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,
80/70 = 80 × 8/70 × 8 = 640/560
Likewise, for the 2nd fraction, since 16 × 35 = 560,
42/16 = 42 × 35/16 × 35 = 1470/560
Add the two like fractions:
640/560 + 1470/560 = 640 + 1470/560 = 2110/560
2110/560 simplified gives 211/56
So, 80/70 + 42/16 = 211/56
In mixed form: 343/56

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