Subtract 1/30 from 42/64
42/64 - 1/30 is 299/480.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 30 is 960
Next, find the equivalent fraction of both fractional numbers with denominator 960 - For the 1st fraction, since 64 × 15 = 960,
42/64 = 42 × 15/64 × 15 = 630/960 - Likewise, for the 2nd fraction, since 30 × 32 = 960,
1/30 = 1 × 32/30 × 32 = 32/960 - Subtract the two like fractions:
630/960 - 32/960 = 630 - 32/960 = 598/960 - After reducing the fraction, the answer is 299/480
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