Add 70/15 and 15/42, Solve 4 10/15 + 15/42 as a fraction

Add 70/15 and 15/42

1^st number: 4 10/15, 2^nd number: 15/42

70/15 + 15/42 is 211/42.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 15 × 14 = 210,
70/15 = 70 × 14/15 × 14 = 980/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
15/42 = 15 × 5/42 × 5 = 75/210
Add the two like fractions:
980/210 + 75/210 = 980 + 75/210 = 1055/210
1055/210 simplified gives 211/42
So, 70/15 + 15/42 = 211/42
In mixed form: 51/42

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