Subtract 6/84 from 72/30
1st number: 2 12/30, 2nd number: 6/84
72/30 - 6/84 is 163/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
72/30 = 72 × 14/30 × 14 = 1008/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
6/84 = 6 × 5/84 × 5 = 30/420 - Subtract the two like fractions:
1008/420 - 30/420 = 1008 - 30/420 = 978/420 - After reducing the fraction, the answer is 163/70
- In mixed form: 223/70
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