Subtract 90/10 from 63/72
1st number: 63/72, 2nd number: 9 0/10
63/72 - 90/10 is -65/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 10 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
63/72 = 63 × 5/72 × 5 = 315/360 - Likewise, for the 2nd fraction, since 10 × 36 = 360,
90/10 = 90 × 36/10 × 36 = 3240/360 - Subtract the two like fractions:
315/360 - 3240/360 = 315 - 3240/360 = -2925/360 - After reducing the fraction, the answer is -65/8
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