Subtract 6/84 from 72/40
1st number: 1 32/40, 2nd number: 6/84
72/40 - 6/84 is 121/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 84 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 40 × 21 = 840,
72/40 = 72 × 21/40 × 21 = 1512/840 - Likewise, for the 2nd fraction, since 84 × 10 = 840,
6/84 = 6 × 10/84 × 10 = 60/840 - Subtract the two like fractions:
1512/840 - 60/840 = 1512 - 60/840 = 1452/840 - After reducing the fraction, the answer is 121/70
- In mixed form: 151/70
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