Subtract 27/16 from 42/60
1st number: 42/60, 2nd number: 1 11/16
42/60 - 27/16 is -79/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 16 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
42/60 = 42 × 4/60 × 4 = 168/240 - Likewise, for the 2nd fraction, since 16 × 15 = 240,
27/16 = 27 × 15/16 × 15 = 405/240 - Subtract the two like fractions:
168/240 - 405/240 = 168 - 405/240 = -237/240 - After reducing the fraction, the answer is -79/80
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