Subtract 1/30 from 45/40
1st number: 1 5/40, 2nd number: 1/30
45/40 - 1/30 is 131/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
45/40 = 45 × 3/40 × 3 = 135/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
1/30 = 1 × 4/30 × 4 = 4/120 - Subtract the two like fractions:
135/120 - 4/120 = 135 - 4/120 = 131/120 - In mixed form: 111/120
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