Add 21/12 and 70/98
1st number: 1 9/12, 2nd number: 70/98
21/12 + 70/98 is 69/28.
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,
21/12 = 21 × 49/12 × 49 = 1029/588 - Likewise, for the 2nd fraction, since 98 × 6 = 588,
70/98 = 70 × 6/98 × 6 = 420/588 - Add the two like fractions:
1029/588 + 420/588 = 1029 + 420/588 = 1449/588 - 1449/588 simplified gives 69/28
- So, 21/12 + 70/98 = 69/28
In mixed form: 213/28
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