Subtract 7/72 from 9/2
1st number: 4 1/2, 2nd number: 7/72
9/2 - 7/72 is 317/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
9/2 = 9 × 36/2 × 36 = 324/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
7/72 = 7 × 1/72 × 1 = 7/72 - Subtract the two like fractions:
324/72 - 7/72 = 324 - 7/72 = 317/72 - In mixed form: 429/72
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