Add 21/98 and 12/56
21/98 + 12/56 is 3/7.
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,
12/56 = 12 × 7/56 × 7 = 84/392 - Add the two like fractions:
84/392 + 84/392 = 84 + 84/392 = 168/392 - 168/392 simplified gives 3/7
- So, 21/98 + 12/56 = 3/7
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