Subtract 72/63 from 2/5
1st number: 2/5, 2nd number: 1 9/63
2/5 - 72/63 is -26/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
2/5 = 2 × 63/5 × 63 = 126/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
72/63 = 72 × 5/63 × 5 = 360/315 - Subtract the two like fractions:
126/315 - 360/315 = 126 - 360/315 = -234/315 - After reducing the fraction, the answer is -26/35
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