Subtract 8/70 from 20/4
1st number: 5 0/4, 2nd number: 8/70
20/4 - 8/70 is 171/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 4 × 35 = 140,
20/4 = 20 × 35/4 × 35 = 700/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
8/70 = 8 × 2/70 × 2 = 16/140 - Subtract the two like fractions:
700/140 - 16/140 = 700 - 16/140 = 684/140 - After reducing the fraction, the answer is 171/35
- In mixed form: 431/35
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