Add 21/14 and 10/72, Solve 1 7/14 + 10/72 as a fraction

Add 21/14 and 10/72

1^st number: 1 7/14, 2^nd number: 10/72

21/14 + 10/72 is 59/36.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 14 × 36 = 504,
21/14 = 21 × 36/14 × 36 = 756/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
10/72 = 10 × 7/72 × 7 = 70/504
Add the two like fractions:
756/504 + 70/504 = 756 + 70/504 = 826/504
826/504 simplified gives 59/36
So, 21/14 + 10/72 = 59/36
In mixed form: 123/36

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