Subtract 1/80 from 25/28
25/28 - 1/80 is 493/560.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 28 × 20 = 560,
25/28 = 25 × 20/28 × 20 = 500/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
1/80 = 1 × 7/80 × 7 = 7/560 - Subtract the two like fractions:
500/560 - 7/560 = 500 - 7/560 = 493/560
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