Subtract 7/8 from 45/12
1st number: 3 9/12, 2nd number: 7/8
4512 - 78 is 238.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 8 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
4512 = 45 × 212 × 2 = 9024 - Likewise, for the 2nd fraction, since 8 × 3 = 24,
78 = 7 × 38 × 3 = 2124 - Subtract the two like fractions:
9024 - 2124 = 90 - 2124 = 6924 - After reducing the fraction, the answer is 238
- In mixed form: 278
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