Add 72/28 and 21/98
1st number: 2 16/28, 2nd number: 21/98
72/28 + 21/98 is 39/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 98 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
72/28 = 72 × 7/28 × 7 = 504/196 - Likewise, for the 2nd fraction, since 98 × 2 = 196,
21/98 = 21 × 2/98 × 2 = 42/196 - Add the two like fractions:
504/196 + 42/196 = 504 + 42/196 = 546/196 - 546/196 simplified gives 39/14
- So, 72/28 + 21/98 = 39/14
In mixed form: 211/14
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