Add 21/98 and 4/21
21/98 + 4/21 is 17/42.
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,
4/21 = 4 × 14/21 × 14 = 56/294 - Add the two like fractions:
63/294 + 56/294 = 63 + 56/294 = 119/294 - 119/294 simplified gives 17/42
- So, 21/98 + 4/21 = 17/42
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