Subtract 30/14 from 63/40
1st number: 1 23/40, 2nd number: 2 2/14
63/40 - 30/14 is -159/280.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 14 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
63/40 = 63 × 7/40 × 7 = 441/280 - Likewise, for the 2nd fraction, since 14 × 20 = 280,
30/14 = 30 × 20/14 × 20 = 600/280 - Subtract the two like fractions:
441/280 - 600/280 = 441 - 600/280 = -159/280
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