Add 21/14 and 81/49
1st number: 1 7/14, 2nd number: 1 32/49
21/14 + 81/49 is 309/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 49 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 14 × 7 = 98,
21/14 = 21 × 7/14 × 7 = 147/98 - Likewise, for the 2nd fraction, since 49 × 2 = 98,
81/49 = 81 × 2/49 × 2 = 162/98 - Add the two like fractions:
147/98 + 162/98 = 147 + 162/98 = 309/98 - So, 21/14 + 81/49 = 309/98
In mixed form: 315/98
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