Subtract 3/45 from 81/24
1st number: 3 9/24, 2nd number: 3/45
81/24 - 3/45 is 397/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 24 × 15 = 360,
81/24 = 81 × 15/24 × 15 = 1215/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
3/45 = 3 × 8/45 × 8 = 24/360 - Subtract the two like fractions:
1215/360 - 24/360 = 1215 - 24/360 = 1191/360 - After reducing the fraction, the answer is 397/120
- In mixed form: 337/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/24-6/45 81/48-3/45 81/24-3/90 81/24-9/45 81/72-3/45 81/24-15/45 81/24-21/45