Subtract 4/70 from 28/20
1st number: 1 8/20, 2nd number: 4/70
28/20 - 4/70 is 47/35.
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,
28/20 = 28 × 7/20 × 7 = 196/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
4/70 = 4 × 2/70 × 2 = 8/140 - Subtract the two like fractions:
196/140 - 8/140 = 196 - 8/140 = 188/140 - After reducing the fraction, the answer is 47/35
- In mixed form: 112/35
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