Subtract 9/70 from 40/30
1st number: 1 10/30, 2nd number: 9/70
40/30 - 9/70 is 253/210.
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,
40/30 = 40 × 7/30 × 7 = 280/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
9/70 = 9 × 3/70 × 3 = 27/210 - Subtract the two like fractions:
280/210 - 27/210 = 280 - 27/210 = 253/210 - In mixed form: 143/210
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