Subtract 42/20 from 8/30
1st number: 8/30, 2nd number: 2 2/20
8/30 - 42/20 is -11/6.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
8/30 = 8 × 2/30 × 2 = 16/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
42/20 = 42 × 3/20 × 3 = 126/60 - Subtract the two like fractions:
16/60 - 126/60 = 16 - 126/60 = -110/60 - After reducing the fraction, the answer is -11/6
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