Add 18/21 and 1/64
18/21 + 1/64 is 391/448.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 64 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 21 × 64 = 1344,
18/21 = 18 × 64/21 × 64 = 1152/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
1/64 = 1 × 21/64 × 21 = 21/1344 - Add the two like fractions:
1152/1344 + 21/1344 = 1152 + 21/1344 = 1173/1344 - 1173/1344 simplified gives 391/448
- So, 18/21 + 1/64 = 391/448
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