Subtract 7/30 from 30/7
1st number: 4 2/7, 2nd number: 7/30
30/7 - 7/30 is 851/210.
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,
30/7 = 30 × 30/7 × 30 = 900/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
7/30 = 7 × 7/30 × 7 = 49/210 - Subtract the two like fractions:
900/210 - 49/210 = 900 - 49/210 = 851/210 - In mixed form: 411/210
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