Add 10/42 and 63/9, Solve 10/42 + 7 0/9 as a fraction

Add 10/42 and 63/9

1^st number: 10/42, 2^nd number: 7 0/9

10/42 + 63/9 is 152/21.

Find the least common denominator or LCM of the two denominators:
LCM of 42 and 9 is 126

Next, find the equivalent fraction of both fractional numbers with denominator 126
For the 1st fraction, since 42 × 3 = 126,
10/42 = 10 × 3/42 × 3 = 30/126
Likewise, for the 2nd fraction, since 9 × 14 = 126,
63/9 = 63 × 14/9 × 14 = 882/126
Add the two like fractions:
30/126 + 882/126 = 30 + 882/126 = 912/126
912/126 simplified gives 152/21
So, 10/42 + 63/9 = 152/21
In mixed form: 75/21

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