Subtract 36/48 from 21/10
1st number: 2 1/10, 2nd number: 36/48
21/10 - 36/48 is 27/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 10 × 24 = 240,
21/10 = 21 × 24/10 × 24 = 504/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
36/48 = 36 × 5/48 × 5 = 180/240 - Subtract the two like fractions:
504/240 - 180/240 = 504 - 180/240 = 324/240 - After reducing the fraction, the answer is 27/20
- In mixed form: 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/10-36/48 21/10-72/48 21/20-36/48 21/10-36/96 63/10-36/48 21/30-36/48 21/50-36/48 21/70-36/48