Subtract 42/20 from 2/30
1st number: 2/30, 2nd number: 2 2/20
2/30 - 42/20 is -61/30.
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,
2/30 = 2 × 2/30 × 2 = 4/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
42/20 = 42 × 3/20 × 3 = 126/60 - Subtract the two like fractions:
4/60 - 126/60 = 4 - 126/60 = -122/60 - After reducing the fraction, the answer is -61/30
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