Subtract 5/4 from 70/20
1st number: 3 10/20, 2nd number: 1 1/4
70/20 - 5/4 is 9/4.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
70/20 = 70 × 1/20 × 1 = 70/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
5/4 = 5 × 5/4 × 5 = 25/20 - Subtract the two like fractions:
70/20 - 25/20 = 70 - 25/20 = 45/20 - After reducing the fraction, the answer is 9/4
- In mixed form: 21/4
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