Subtract 63/16 from 40/90
1st number: 40/90, 2nd number: 3 15/16
40/90 - 63/16 is -503/144.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
40/90 = 40 × 8/90 × 8 = 320/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
63/16 = 63 × 45/16 × 45 = 2835/720 - Subtract the two like fractions:
320/720 - 2835/720 = 320 - 2835/720 = -2515/720 - After reducing the fraction, the answer is -503/144
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