Add 72/98 and 42/21, Solve 72/98 + 2 0/21 as a fraction

Add 72/98 and 42/21

1^st number: 72/98, 2^nd number: 2 0/21

72/98 + 42/21 is 134/49.

Find the least common denominator or LCM of the two denominators:
LCM of 98 and 21 is 294

Next, find the equivalent fraction of both fractional numbers with denominator 294
For the 1st fraction, since 98 × 3 = 294,
72/98 = 72 × 3/98 × 3 = 216/294
Likewise, for the 2nd fraction, since 21 × 14 = 294,
42/21 = 42 × 14/21 × 14 = 588/294
Add the two like fractions:
216/294 + 588/294 = 216 + 588/294 = 804/294
804/294 simplified gives 134/49
So, 72/98 + 42/21 = 134/49
In mixed form: 236/49

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