Subtract 4/15 from 30/4
1st number: 7 2/4, 2nd number: 4/15
30/4 - 4/15 is 217/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
30/4 = 30 × 15/4 × 15 = 450/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
4/15 = 4 × 4/15 × 4 = 16/60 - Subtract the two like fractions:
450/60 - 16/60 = 450 - 16/60 = 434/60 - After reducing the fraction, the answer is 217/30
- In mixed form: 77/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/4-4/15 30/4-8/15 30/8-4/15 30/4-4/30 90/4-4/15 30/4-12/15 30/12-4/15 30/4-4/45 30/4-20/15 30/20-4/15 30/4-4/75 30/4-28/15 30/28-4/15