Add 18/84 and 40/64
18/84 + 40/64 is 47/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 64 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 84 × 16 = 1344,
18/84 = 18 × 16/84 × 16 = 288/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
40/64 = 40 × 21/64 × 21 = 840/1344 - Add the two like fractions:
288/1344 + 840/1344 = 288 + 840/1344 = 1128/1344 - 1128/1344 simplified gives 47/56
- So, 18/84 + 40/64 = 47/56
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