Add 72/84 and 70/49
1st number: 72/84, 2nd number: 1 21/49
72/84 + 70/49 is 16/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
72/84 = 72 × 7/84 × 7 = 504/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
70/49 = 70 × 12/49 × 12 = 840/588 - Add the two like fractions:
504/588 + 840/588 = 504 + 840/588 = 1344/588 - 1344/588 simplified gives 16/7
- So, 72/84 + 70/49 = 16/7
In mixed form: 22/7
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