Subtract 7/20 from 98/70
1st number: 1 28/70, 2nd number: 7/20
98/70 - 7/20 is 21/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
98/70 = 98 × 2/70 × 2 = 196/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
7/20 = 7 × 7/20 × 7 = 49/140 - Subtract the two like fractions:
196/140 - 49/140 = 196 - 49/140 = 147/140 - After reducing the fraction, the answer is 21/20
- In mixed form: 11/20
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