Subtract 12/20 from 63/8
1st number: 7 7/8, 2nd number: 12/20
63/8 - 12/20 is 291/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
63/8 = 63 × 5/8 × 5 = 315/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
12/20 = 12 × 2/20 × 2 = 24/40 - Subtract the two like fractions:
315/40 - 24/40 = 315 - 24/40 = 291/40 - In mixed form: 711/40
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