Add 21/98 and 4/56
21/98 + 4/56 is 2/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 56 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 98 × 4 = 392,
21/98 = 21 × 4/98 × 4 = 84/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
4/56 = 4 × 7/56 × 7 = 28/392 - Add the two like fractions:
84/392 + 28/392 = 84 + 28/392 = 112/392 - 112/392 simplified gives 2/7
- So, 21/98 + 4/56 = 2/7
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