Subtract 72/90 from 63/10
1st number: 6 3/10, 2nd number: 72/90
63/10 - 72/90 is 11/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
63/10 = 63 × 9/10 × 9 = 567/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
72/90 = 72 × 1/90 × 1 = 72/90 - Subtract the two like fractions:
567/90 - 72/90 = 567 - 72/90 = 495/90 - After reducing the fraction, the answer is 11/2
- In mixed form: 51/2
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