Subtract 24/60 from 21/9
1st number: 2 3/9, 2nd number: 24/60
21/9 - 24/60 is 29/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 9 × 20 = 180,
21/9 = 21 × 20/9 × 20 = 420/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
24/60 = 24 × 3/60 × 3 = 72/180 - Subtract the two like fractions:
420/180 - 72/180 = 420 - 72/180 = 348/180 - After reducing the fraction, the answer is 29/15
- In mixed form: 114/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/9-24/60 21/9-48/60 21/18-24/60 63/9-24/60 21/9-72/60 21/27-24/60 21/45-24/60 21/63-24/60