Subtract 42/64 from 25/21
1st number: 1 4/21, 2nd number: 42/64
25/21 - 42/64 is 359/672.
Steps for subtracting 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,
25/21 = 25 × 64/21 × 64 = 1600/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
42/64 = 42 × 21/64 × 21 = 882/1344 - Subtract the two like fractions:
1600/1344 - 882/1344 = 1600 - 882/1344 = 718/1344 - After reducing the fraction, the answer is 359/672
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