Subtract 30/20 from 98/7
1st number: 14 0/7, 2nd number: 1 10/20
98/7 - 30/20 is 25/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 7 × 20 = 140,
98/7 = 98 × 20/7 × 20 = 1960/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
30/20 = 30 × 7/20 × 7 = 210/140 - Subtract the two like fractions:
1960/140 - 210/140 = 1960 - 210/140 = 1750/140 - After reducing the fraction, the answer is 25/2
- In mixed form: 121/2
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