Subtract 25/4 from 54/30
1st number: 1 24/30, 2nd number: 6 1/4
54/30 - 25/4 is -89/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
54/30 = 54 × 2/30 × 2 = 108/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
25/4 = 25 × 15/4 × 15 = 375/60 - Subtract the two like fractions:
108/60 - 375/60 = 108 - 375/60 = -267/60 - After reducing the fraction, the answer is -89/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/30-50/4 54/60-25/4 54/30-25/8 54/30-75/4 54/90-25/4 54/30-25/12 54/30-25/20 54/30-25/28