Subtract 42/80 from 25/35
25/35 - 42/80 is 53/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 35 × 16 = 560,
25/35 = 25 × 16/35 × 16 = 400/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
42/80 = 42 × 7/80 × 7 = 294/560 - Subtract the two like fractions:
400/560 - 294/560 = 400 - 294/560 = 106/560 - After reducing the fraction, the answer is 53/280
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