Subtract 7/72 from 42/25
1st number: 1 17/25, 2nd number: 7/72
42/25 - 7/72 is 2849/1800.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 25 × 72 = 1800,
42/25 = 42 × 72/25 × 72 = 3024/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
7/72 = 7 × 25/72 × 25 = 175/1800 - Subtract the two like fractions:
3024/1800 - 175/1800 = 3024 - 175/1800 = 2849/1800 - In mixed form: 11049/1800
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