Subtract 4/15 from 27/10
1st number: 2 7/10, 2nd number: 4/15
2710 - 415 is 7330.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
2710 = 27 × 310 × 3 = 8130 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
415 = 4 × 215 × 2 = 830 - Subtract the two like fractions:
8130 - 830 = 81 - 830 = 7330 - In mixed form: 21330
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10-4/15 27/10-8/15 27/20-4/15 27/10-4/30 81/10-4/15 27/10-12/15 27/30-4/15 27/10-4/45 27/10-20/15 27/50-4/15 27/10-4/75 27/10-28/15 27/70-4/15