Subtract 45/24 from 20/80
1st number: 20/80, 2nd number: 1 21/24
20/80 - 45/24 is -13/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 24 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
20/80 = 20 × 3/80 × 3 = 60/240 - Likewise, for the 2nd fraction, since 24 × 10 = 240,
45/24 = 45 × 10/24 × 10 = 450/240 - Subtract the two like fractions:
60/240 - 450/240 = 60 - 450/240 = -390/240 - After reducing the fraction, the answer is -13/8
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