Subtract 7/30 from 63/40
1st number: 1 23/40, 2nd number: 7/30
63/40 - 7/30 is 161/120.
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,
63/40 = 63 × 3/40 × 3 = 189/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
7/30 = 7 × 4/30 × 4 = 28/120 - Subtract the two like fractions:
189/120 - 28/120 = 189 - 28/120 = 161/120 - In mixed form: 141/120
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