Subtract 30/16 from 15/4
1st number: 3 3/4, 2nd number: 1 14/16
15/4 - 30/16 is 15/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 4 × 4 = 16,
15/4 = 15 × 4/4 × 4 = 60/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
30/16 = 30 × 1/16 × 1 = 30/16 - Subtract the two like fractions:
60/16 - 30/16 = 60 - 30/16 = 30/16 - After reducing the fraction, the answer is 15/8
- In mixed form: 17/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/4-30/16 15/4-60/16 15/8-30/16 15/4-30/32 45/4-30/16 15/4-90/16 15/12-30/16 15/4-30/48 75/4-30/16 15/20-30/16 15/4-30/80 15/28-30/16