Subtract 12/63 from 80/45
1st number: 1 35/45, 2nd number: 12/63
80/45 - 12/63 is 100/63.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
80/45 = 80 × 7/45 × 7 = 560/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
12/63 = 12 × 5/63 × 5 = 60/315 - Subtract the two like fractions:
560/315 - 60/315 = 560 - 60/315 = 500/315 - After reducing the fraction, the answer is 100/63
- In mixed form: 137/63
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