Add 20/72 and 14/84
20/72 + 14/84 is 4/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 84 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
20/72 = 20 × 7/72 × 7 = 140/504 - Likewise, for the 2nd fraction, since 84 × 6 = 504,
14/84 = 14 × 6/84 × 6 = 84/504 - Add the two like fractions:
140/504 + 84/504 = 140 + 84/504 = 224/504 - 224/504 simplified gives 4/9
- So, 20/72 + 14/84 = 4/9
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