Subtract 12/5 from 63/80
1st number: 63/80, 2nd number: 2 2/5
63/80 - 12/5 is -129/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 5 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
63/80 = 63 × 1/80 × 1 = 63/80 - Likewise, for the 2nd fraction, since 5 × 16 = 80,
12/5 = 12 × 16/5 × 16 = 192/80 - Subtract the two like fractions:
63/80 - 192/80 = 63 - 192/80 = -129/80
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