Subtract 70/25 from 72/4
1st number: 18 0/4, 2nd number: 2 20/25
72/4 - 70/25 is 76/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
72/4 = 72 × 25/4 × 25 = 1800/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
70/25 = 70 × 4/25 × 4 = 280/100 - Subtract the two like fractions:
1800/100 - 280/100 = 1800 - 280/100 = 1520/100 - After reducing the fraction, the answer is 76/5
- In mixed form: 151/5
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