Subtract 63/32 from 7/90
1st number: 7/90, 2nd number: 1 31/32
7/90 - 63/32 is -2723/1440.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 90 × 16 = 1440,
7/90 = 7 × 16/90 × 16 = 112/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
63/32 = 63 × 45/32 × 45 = 2835/1440 - Subtract the two like fractions:
112/1440 - 2835/1440 = 112 - 2835/1440 = -2723/1440
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