Subtract 4/64 from 40/70
40/70 - 4/64 is 57/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 64 is 2240
Next, find the equivalent fraction of both fractional numbers with denominator 2240 - For the 1st fraction, since 70 × 32 = 2240,
40/70 = 40 × 32/70 × 32 = 1280/2240 - Likewise, for the 2nd fraction, since 64 × 35 = 2240,
4/64 = 4 × 35/64 × 35 = 140/2240 - Subtract the two like fractions:
1280/2240 - 140/2240 = 1280 - 140/2240 = 1140/2240 - After reducing the fraction, the answer is 57/112
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