Add 54/80 and 7/84
54/80 + 7/84 is 91/120.
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,
54/80 = 54 × 21/80 × 21 = 1134/1680 - Likewise, for the 2nd fraction, since 84 × 20 = 1680,
7/84 = 7 × 20/84 × 20 = 140/1680 - Add the two like fractions:
1134/1680 + 140/1680 = 1134 + 140/1680 = 1274/1680 - 1274/1680 simplified gives 91/120
- So, 54/80 + 7/84 = 91/120
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