Subtract 20/5 from 45/48
1st number: 45/48, 2nd number: 4 0/5
45/48 - 20/5 is -49/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 5 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
45/48 = 45 × 5/48 × 5 = 225/240 - Likewise, for the 2nd fraction, since 5 × 48 = 240,
20/5 = 20 × 48/5 × 48 = 960/240 - Subtract the two like fractions:
225/240 - 960/240 = 225 - 960/240 = -735/240 - After reducing the fraction, the answer is -49/16
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