Add 21/56 and 42/98
21/56 + 42/98 is 45/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 98 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 56 × 7 = 392,
21/56 = 21 × 7/56 × 7 = 147/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
42/98 = 42 × 4/98 × 4 = 168/392 - Add the two like fractions:
147/392 + 168/392 = 147 + 168/392 = 315/392 - 315/392 simplified gives 45/56
- So, 21/56 + 42/98 = 45/56
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