Subtract 27/40 from 2/30
2/30 - 27/40 is -73/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
2/30 = 2 × 4/30 × 4 = 8/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
27/40 = 27 × 3/40 × 3 = 81/120 - Subtract the two like fractions:
8/120 - 81/120 = 8 - 81/120 = -73/120
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