Subtract 25/72 from 90/10
1st number: 9 0/10, 2nd number: 25/72
90/10 - 25/72 is 623/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
90/10 = 90 × 36/10 × 36 = 3240/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
25/72 = 25 × 5/72 × 5 = 125/360 - Subtract the two like fractions:
3240/360 - 125/360 = 3240 - 125/360 = 3115/360 - After reducing the fraction, the answer is 623/72
- In mixed form: 847/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/10-50/72 90/20-25/72 90/10-75/72 90/30-25/72 90/50-25/72 90/70-25/72