Subtract 63/56 from 20/18
1st number: 1 2/18, 2nd number: 1 7/56
20/18 - 63/56 is -1/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 18 × 28 = 504,
20/18 = 20 × 28/18 × 28 = 560/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
63/56 = 63 × 9/56 × 9 = 567/504 - Subtract the two like fractions:
560/504 - 567/504 = 560 - 567/504 = -7/504 - After reducing the fraction, the answer is -1/72
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