Add 21/98 and 7/42
21/98 + 7/42 is 8/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 42 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 42 × 7 = 294,
7/42 = 7 × 7/42 × 7 = 49/294 - Add the two like fractions:
63/294 + 49/294 = 63 + 49/294 = 112/294 - 112/294 simplified gives 8/21
- So, 21/98 + 7/42 = 8/21
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