Subtract 9/30 from 72/7
1st number: 10 2/7, 2nd number: 9/30
72/7 - 9/30 is 699/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 7 × 30 = 210,
72/7 = 72 × 30/7 × 30 = 2160/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
9/30 = 9 × 7/30 × 7 = 63/210 - Subtract the two like fractions:
2160/210 - 63/210 = 2160 - 63/210 = 2097/210 - After reducing the fraction, the answer is 699/70
- In mixed form: 969/70
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