Subtract 60/18 from 81/10
1st number: 8 1/10, 2nd number: 3 6/18
81/10 - 60/18 is 143/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
81/10 = 81 × 9/10 × 9 = 729/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
60/18 = 60 × 5/18 × 5 = 300/90 - Subtract the two like fractions:
729/90 - 300/90 = 729 - 300/90 = 429/90 - After reducing the fraction, the answer is 143/30
- In mixed form: 423/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/20-60/18 81/10-60/36 81/30-60/18 81/10-60/54 81/50-60/18 81/10-60/90 81/70-60/18