Subtract 16/7 from 72/9
1st number: 8 0/9, 2nd number: 2 2/7
72/9 - 16/7 is 40/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
72/9 = 72 × 7/9 × 7 = 504/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
16/7 = 16 × 9/7 × 9 = 144/63 - Subtract the two like fractions:
504/63 - 144/63 = 504 - 144/63 = 360/63 - After reducing the fraction, the answer is 40/7
- In mixed form: 55/7
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