Subtract 45/75 from 72/10
1st number: 7 2/10, 2nd number: 45/75
72/10 - 45/75 is 33/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 75 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 10 × 15 = 150,
72/10 = 72 × 15/10 × 15 = 1080/150 - Likewise, for the 2nd fraction, since 75 × 2 = 150,
45/75 = 45 × 2/75 × 2 = 90/150 - Subtract the two like fractions:
1080/150 - 90/150 = 1080 - 90/150 = 990/150 - After reducing the fraction, the answer is 33/5
- In mixed form: 63/5
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