Subtract 80/70 from 72/9
1st number: 8 0/9, 2nd number: 1 10/70
72/9 - 80/70 is 48/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 9 × 70 = 630,
72/9 = 72 × 70/9 × 70 = 5040/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
80/70 = 80 × 9/70 × 9 = 720/630 - Subtract the two like fractions:
5040/630 - 720/630 = 5040 - 720/630 = 4320/630 - After reducing the fraction, the answer is 48/7
- In mixed form: 66/7
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