Subtract 72/10 from 14/18
1st number: 14/18, 2nd number: 7 2/10
14/18 - 72/10 is -289/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
14/18 = 14 × 5/18 × 5 = 70/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
72/10 = 72 × 9/10 × 9 = 648/90 - Subtract the two like fractions:
70/90 - 648/90 = 70 - 648/90 = -578/90 - After reducing the fraction, the answer is -289/45
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