Subtract 4/40 from 20/35
20/35 - 4/40 is 33/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 35 × 8 = 280,
20/35 = 20 × 8/35 × 8 = 160/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
4/40 = 4 × 7/40 × 7 = 28/280 - Subtract the two like fractions:
160/280 - 28/280 = 160 - 28/280 = 132/280 - After reducing the fraction, the answer is 33/70
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