Subtract 63/4 from 90/9
1st number: 10 0/9, 2nd number: 15 3/4
90/9 - 63/4 is -23/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 9 × 4 = 36,
90/9 = 90 × 4/9 × 4 = 360/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
63/4 = 63 × 9/4 × 9 = 567/36 - Subtract the two like fractions:
360/36 - 567/36 = 360 - 567/36 = -207/36 - After reducing the fraction, the answer is -23/4
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