Add 42/98 and 21/12
1st number: 42/98, 2nd number: 1 9/12
42/98 + 21/12 is 61/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 12 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 98 × 6 = 588,
42/98 = 42 × 6/98 × 6 = 252/588 - Likewise, for the 2nd fraction, since 12 × 49 = 588,
21/12 = 21 × 49/12 × 49 = 1029/588 - Add the two like fractions:
252/588 + 1029/588 = 252 + 1029/588 = 1281/588 - 1281/588 simplified gives 61/28
- So, 42/98 + 21/12 = 61/28
In mixed form: 25/28
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