Add 21/49 and 18/64
21/49 + 18/64 is 159/224.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 64 is 3136
Next, find the equivalent fraction of both fractional numbers with denominator 3136 - For the 1st fraction, since 49 × 64 = 3136,
21/49 = 21 × 64/49 × 64 = 1344/3136 - Likewise, for the 2nd fraction, since 64 × 49 = 3136,
18/64 = 18 × 49/64 × 49 = 882/3136 - Add the two like fractions:
1344/3136 + 882/3136 = 1344 + 882/3136 = 2226/3136 - 2226/3136 simplified gives 159/224
- So, 21/49 + 18/64 = 159/224
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