Subtract 9/30 from 72/4
1st number: 18 0/4, 2nd number: 9/30
72/4 - 9/30 is 177/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
72/4 = 72 × 15/4 × 15 = 1080/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
9/30 = 9 × 2/30 × 2 = 18/60 - Subtract the two like fractions:
1080/60 - 18/60 = 1080 - 18/60 = 1062/60 - After reducing the fraction, the answer is 177/10
- In mixed form: 177/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/4-18/30 72/8-9/30 72/4-9/60 72/4-27/30 72/12-9/30 72/4-9/90 72/4-45/30 72/20-9/30 72/4-63/30 72/28-9/30