Subtract 7/32 from 72/45
1st number: 1 27/45, 2nd number: 7/32
72/45 - 7/32 is 221/160.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 45 × 32 = 1440,
72/45 = 72 × 32/45 × 32 = 2304/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
7/32 = 7 × 45/32 × 45 = 315/1440 - Subtract the two like fractions:
2304/1440 - 315/1440 = 2304 - 315/1440 = 1989/1440 - After reducing the fraction, the answer is 221/160
- In mixed form: 161/160
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