Add 21/98 and 72/56
1st number: 21/98, 2nd number: 1 16/56
21/98 + 72/56 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 56 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 98 × 4 = 392,
21/98 = 21 × 4/98 × 4 = 84/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
72/56 = 72 × 7/56 × 7 = 504/392 - Add the two like fractions:
84/392 + 504/392 = 84 + 504/392 = 588/392 - 588/392 simplified gives 3/2
- So, 21/98 + 72/56 = 3/2
In mixed form: 11/2
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