Add 90/12 and 70/49
1st number: 7 6/12, 2nd number: 1 21/49
90/12 + 70/49 is 125/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 12 × 49 = 588,
90/12 = 90 × 49/12 × 49 = 4410/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
70/49 = 70 × 12/49 × 12 = 840/588 - Add the two like fractions:
4410/588 + 840/588 = 4410 + 840/588 = 5250/588 - 5250/588 simplified gives 125/14
- So, 90/12 + 70/49 = 125/14
In mixed form: 813/14
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