Add 21/98 and 81/21
1st number: 21/98, 2nd number: 3 18/21
21/98 + 81/21 is 57/14.
Steps for adding fractions
- 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,
21/98 = 21 × 3/98 × 3 = 63/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
81/21 = 81 × 14/21 × 14 = 1134/294 - Add the two like fractions:
63/294 + 1134/294 = 63 + 1134/294 = 1197/294 - 1197/294 simplified gives 57/14
- So, 21/98 + 81/21 = 57/14
In mixed form: 41/14
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