Add 72/80 and 14/84
72/80 + 14/84 is 16/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 84 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 80 × 21 = 1680,
72/80 = 72 × 21/80 × 21 = 1512/1680 - Likewise, for the 2nd fraction, since 84 × 20 = 1680,
14/84 = 14 × 20/84 × 20 = 280/1680 - Add the two like fractions:
1512/1680 + 280/1680 = 1512 + 280/1680 = 1792/1680 - 1792/1680 simplified gives 16/15
- So, 72/80 + 14/84 = 16/15
In mixed form: 11/15
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