Subtract 5/54 from 72/30
1st number: 2 12/30, 2nd number: 5/54
72/30 - 5/54 is 623/270.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 30 × 9 = 270,
72/30 = 72 × 9/30 × 9 = 648/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
5/54 = 5 × 5/54 × 5 = 25/270 - Subtract the two like fractions:
648/270 - 25/270 = 648 - 25/270 = 623/270 - In mixed form: 283/270
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/30-10/54 72/60-5/54 72/30-15/54 72/90-5/54 72/30-25/54 72/30-35/54