Subtract 42/20 from 3/48
1st number: 3/48, 2nd number: 2 2/20
3/48 - 42/20 is -163/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 20 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
3/48 = 3 × 5/48 × 5 = 15/240 - Likewise, for the 2nd fraction, since 20 × 12 = 240,
42/20 = 42 × 12/20 × 12 = 504/240 - Subtract the two like fractions:
15/240 - 504/240 = 15 - 504/240 = -489/240 - After reducing the fraction, the answer is -163/80
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