Subtract 7/40 from 75/30
1st number: 2 15/30, 2nd number: 7/40
75/30 - 7/40 is 93/40.
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,
75/30 = 75 × 4/30 × 4 = 300/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
7/40 = 7 × 3/40 × 3 = 21/120 - Subtract the two like fractions:
300/120 - 21/120 = 300 - 21/120 = 279/120 - After reducing the fraction, the answer is 93/40
- In mixed form: 213/40
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