Subtract 5/70 from 84/20
1st number: 4 4/20, 2nd number: 5/70
84/20 - 5/70 is 289/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
84/20 = 84 × 7/20 × 7 = 588/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
5/70 = 5 × 2/70 × 2 = 10/140 - Subtract the two like fractions:
588/140 - 10/140 = 588 - 10/140 = 578/140 - After reducing the fraction, the answer is 289/70
- In mixed form: 49/70
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