Subtract 2/70 from 72/30
1st number: 2 12/30, 2nd number: 2/70
72/30 - 2/70 is 83/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
72/30 = 72 × 7/30 × 7 = 504/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
2/70 = 2 × 3/70 × 3 = 6/210 - Subtract the two like fractions:
504/210 - 6/210 = 504 - 6/210 = 498/210 - After reducing the fraction, the answer is 83/35
- In mixed form: 213/35
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