Add 72/84 and 4/72
72/84 + 4/72 is 115/126.
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,
72/84 = 72 × 6/84 × 6 = 432/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
4/72 = 4 × 7/72 × 7 = 28/504 - Add the two like fractions:
432/504 + 28/504 = 432 + 28/504 = 460/504 - 460/504 simplified gives 115/126
- So, 72/84 + 4/72 = 115/126
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