Add 80/84 and 42/72
80/84 + 42/72 is 43/28.
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,
80/84 = 80 × 6/84 × 6 = 480/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
42/72 = 42 × 7/72 × 7 = 294/504 - Add the two like fractions:
480/504 + 294/504 = 480 + 294/504 = 774/504 - 774/504 simplified gives 43/28
- So, 80/84 + 42/72 = 43/28
In mixed form: 115/28
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Related: 80/84+84/72