Subtract 2/72 from 45/18
1st number: 2 9/18, 2nd number: 2/72
45/18 - 2/72 is 89/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 18 × 4 = 72,
45/18 = 45 × 4/18 × 4 = 180/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
2/72 = 2 × 1/72 × 1 = 2/72 - Subtract the two like fractions:
180/72 - 2/72 = 180 - 2/72 = 178/72 - After reducing the fraction, the answer is 89/36
- In mixed form: 217/36
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