Add 20/84 and 60/72
20/84 + 60/72 is 15/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 84 × 6 = 504,
20/84 = 20 × 6/84 × 6 = 120/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
60/72 = 60 × 7/72 × 7 = 420/504 - Add the two like fractions:
120/504 + 420/504 = 120 + 420/504 = 540/504 - 540/504 simplified gives 15/14
- So, 20/84 + 60/72 = 15/14
In mixed form: 11/14
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