Subtract 30/7 from 1/84
1st number: 1/84, 2nd number: 4 2/7
1/84 - 30/7 is -359/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 7 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
1/84 = 1 × 1/84 × 1 = 1/84 - Likewise, for the 2nd fraction, since 7 × 12 = 84,
30/7 = 30 × 12/7 × 12 = 360/84 - Subtract the two like fractions:
1/84 - 360/84 = 1 - 360/84 = -359/84
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