Add 70/98 and 21/56
70/98 + 21/56 is 61/56.
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,
70/98 = 70 × 4/98 × 4 = 280/392 - Likewise, for the 2nd fraction, since 56 × 7 = 392,
21/56 = 21 × 7/56 × 7 = 147/392 - Add the two like fractions:
280/392 + 147/392 = 280 + 147/392 = 427/392 - 427/392 simplified gives 61/56
- So, 70/98 + 21/56 = 61/56
In mixed form: 15/56
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