Subtract 72/45 from 2/7
1st number: 2/7, 2nd number: 1 27/45
2/7 - 72/45 is -46/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
2/7 = 2 × 45/7 × 45 = 90/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
72/45 = 72 × 7/45 × 7 = 504/315 - Subtract the two like fractions:
90/315 - 504/315 = 90 - 504/315 = -414/315 - After reducing the fraction, the answer is -46/35
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