Add 63/70 and 72/42, Solve 63/70 + 1 30/42 as a fraction

Add 63/70 and 72/42

1^st number: 63/70, 2^nd number: 1 30/42

63/70 + 72/42 is 183/70.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 42 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 70 × 3 = 210,
63/70 = 63 × 3/70 × 3 = 189/210
Likewise, for the 2nd fraction, since 42 × 5 = 210,
72/42 = 72 × 5/42 × 5 = 360/210
Add the two like fractions:
189/210 + 360/210 = 189 + 360/210 = 549/210
549/210 simplified gives 183/70
So, 63/70 + 72/42 = 183/70
In mixed form: 243/70

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