Subtract 5/70 from 25/40
25/40 - 5/70 is 31/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
25/40 = 25 × 7/40 × 7 = 175/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
5/70 = 5 × 4/70 × 4 = 20/280 - Subtract the two like fractions:
175/280 - 20/280 = 175 - 20/280 = 155/280 - After reducing the fraction, the answer is 31/56
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