Subtract 18/60 from 10/80
10/80 - 18/60 is -7/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 60 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
10/80 = 10 × 3/80 × 3 = 30/240 - Likewise, for the 2nd fraction, since 60 × 4 = 240,
18/60 = 18 × 4/60 × 4 = 72/240 - Subtract the two like fractions:
30/240 - 72/240 = 30 - 72/240 = -42/240 - After reducing the fraction, the answer is -7/40
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