Subtract 28/80 from 8/35
8/35 - 28/80 is -17/140.
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,
8/35 = 8 × 16/35 × 16 = 128/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
28/80 = 28 × 7/80 × 7 = 196/560 - Subtract the two like fractions:
128/560 - 196/560 = 128 - 196/560 = -68/560 - After reducing the fraction, the answer is -17/140
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