Subtract 60/15 from 81/2
1st number: 40 1/2, 2nd number: 4 0/15
81/2 - 60/15 is 73/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
81/2 = 81 × 15/2 × 15 = 1215/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
60/15 = 60 × 2/15 × 2 = 120/30 - Subtract the two like fractions:
1215/30 - 120/30 = 1215 - 120/30 = 1095/30 - After reducing the fraction, the answer is 73/2
- In mixed form: 361/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/4-60/15 81/2-60/30 81/6-60/15 81/2-60/45 81/10-60/15 81/2-60/75 81/14-60/15