Add 7/5 and 15/42, Solve 1 2/5 + 15/42 as a fraction

Add 7/5 and 15/42

1^st number: 1 2/5, 2^nd number: 15/42

7/5 + 15/42 is 123/70.

Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 5 × 42 = 210,
7/5 = 7 × 42/5 × 42 = 294/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
15/42 = 15 × 5/42 × 5 = 75/210
Add the two like fractions:
294/210 + 75/210 = 294 + 75/210 = 369/210
369/210 simplified gives 123/70
So, 7/5 + 15/42 = 123/70
In mixed form: 153/70

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