Subtract 72/45 from 2/10
1st number: 2/10, 2nd number: 1 27/45
2/10 - 72/45 is -7/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
2/10 = 2 × 9/10 × 9 = 18/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
72/45 = 72 × 2/45 × 2 = 144/90 - Subtract the two like fractions:
18/90 - 144/90 = 18 - 144/90 = -126/90 - After reducing the fraction, the answer is -7/5
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