Add 4/42 and 42/30, Solve 4/42 + 1 12/30 as a fraction

Add 4/42 and 42/30

1^st number: 4/42, 2^nd number: 1 12/30

4/42 + 42/30 is 157/105.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 42 × 5 = 210,
4/42 = 4 × 5/42 × 5 = 20/210
Likewise, for the 2nd fraction, since 30 × 7 = 210,
42/30 = 42 × 7/30 × 7 = 294/210
Add the two like fractions:
20/210 + 294/210 = 20 + 294/210 = 314/210
314/210 simplified gives 157/105
So, 4/42 + 42/30 = 157/105
In mixed form: 152/105

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