Add 60/72 and 21/98, Solve 60/72 + 21/98 as a fraction

Add 60/72 and 21/98

60/72 + 21/98 is 22/21.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 98 is 3528

Next, find the equivalent fraction of both fractional numbers with denominator 3528
For the 1st fraction, since 72 × 49 = 3528,
60/72 = 60 × 49/72 × 49 = 2940/3528
Likewise, for the 2nd fraction, since 98 × 36 = 3528,
21/98 = 21 × 36/98 × 36 = 756/3528
Add the two like fractions:
2940/3528 + 756/3528 = 2940 + 756/3528 = 3696/3528
3696/3528 simplified gives 22/21
So, 60/72 + 21/98 = 22/21
In mixed form: 11/21

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