Add 20/12 and 21/98
1st number: 1 8/12, 2nd number: 21/98
20/12 + 21/98 is 79/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 98 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 12 × 49 = 588,
20/12 = 20 × 49/12 × 49 = 980/588 - Likewise, for the 2nd fraction, since 98 × 6 = 588,
21/98 = 21 × 6/98 × 6 = 126/588 - Add the two like fractions:
980/588 + 126/588 = 980 + 126/588 = 1106/588 - 1106/588 simplified gives 79/42
- So, 20/12 + 21/98 = 79/42
In mixed form: 137/42
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