Add 72/54 and 81/10
1st number: 1 18/54, 2nd number: 8 1/10
72/54 + 81/10 is 283/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
72/54 = 72 × 5/54 × 5 = 360/270 - Likewise, for the 2nd fraction, since 10 × 27 = 270,
81/10 = 81 × 27/10 × 27 = 2187/270 - Add the two like fractions:
360/270 + 2187/270 = 360 + 2187/270 = 2547/270 - 2547/270 simplified gives 283/30
- So, 72/54 + 81/10 = 283/30
In mixed form: 913/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/54+81/20 72/54+81/30 72/54+81/50 72/54+81/70