Subtract 12/30 from 25/8
1st number: 3 1/8, 2nd number: 12/30
25/8 - 12/30 is 109/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 30 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 8 × 15 = 120,
25/8 = 25 × 15/8 × 15 = 375/120 - Likewise, for the 2nd fraction, since 30 × 4 = 120,
12/30 = 12 × 4/30 × 4 = 48/120 - Subtract the two like fractions:
375/120 - 48/120 = 375 - 48/120 = 327/120 - After reducing the fraction, the answer is 109/40
- In mixed form: 229/40
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