Subtract 1/72 from 90/9
1st number: 10 0/9, 2nd number: 1/72
90/9 - 1/72 is 719/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 9 × 8 = 72,
90/9 = 90 × 8/9 × 8 = 720/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
1/72 = 1 × 1/72 × 1 = 1/72 - Subtract the two like fractions:
720/72 - 1/72 = 720 - 1/72 = 719/72 - In mixed form: 971/72
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