Add 72/84 and 20/98
72/84 + 20/98 is 52/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 98 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 98 × 6 = 588,
20/98 = 20 × 6/98 × 6 = 120/588 - Add the two like fractions:
504/588 + 120/588 = 504 + 120/588 = 624/588 - 624/588 simplified gives 52/49
- So, 72/84 + 20/98 = 52/49
In mixed form: 13/49
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