Add 15/70 and 75/63, Solve 15/70 + 1 12/63 as a fraction

Add 15/70 and 75/63

1^st number: 15/70, 2^nd number: 1 12/63

15/70 + 75/63 is 59/42.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 63 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 70 × 9 = 630,
15/70 = 15 × 9/70 × 9 = 135/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
75/63 = 75 × 10/63 × 10 = 750/630
Add the two like fractions:
135/630 + 750/630 = 135 + 750/630 = 885/630
885/630 simplified gives 59/42
So, 15/70 + 75/63 = 59/42
In mixed form: 117/42

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