Subtract 16/72 from 45/25
1st number: 1 20/25, 2nd number: 16/72
45/25 - 16/72 is 71/45.
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,
45/25 = 45 × 72/25 × 72 = 3240/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
16/72 = 16 × 25/72 × 25 = 400/1800 - Subtract the two like fractions:
3240/1800 - 400/1800 = 3240 - 400/1800 = 2840/1800 - After reducing the fraction, the answer is 71/45
- In mixed form: 126/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/25-16/72 45/25-32/72 45/50-16/72 45/25-48/72 45/75-16/72 45/25-80/72