Subtract 63/48 from 40/45
1st number: 40/45, 2nd number: 1 15/48
40/45 - 63/48 is -61/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
40/45 = 40 × 16/45 × 16 = 640/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
63/48 = 63 × 15/48 × 15 = 945/720 - Subtract the two like fractions:
640/720 - 945/720 = 640 - 945/720 = -305/720 - After reducing the fraction, the answer is -61/144
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