Add 21/8 and 42/98
1st number: 2 5/8, 2nd number: 42/98
21/8 + 42/98 is 171/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 98 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
21/8 = 21 × 49/8 × 49 = 1029/392 - Likewise, for the 2nd fraction, since 98 × 4 = 392,
42/98 = 42 × 4/98 × 4 = 168/392 - Add the two like fractions:
1029/392 + 168/392 = 1029 + 168/392 = 1197/392 - 1197/392 simplified gives 171/56
- So, 21/8 + 42/98 = 171/56
In mixed form: 33/56
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