Add 72/10 and 54/60
1st number: 7 2/10, 2nd number: 54/60
72/10 + 54/60 is 81/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
72/10 = 72 × 6/10 × 6 = 432/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
54/60 = 54 × 1/60 × 1 = 54/60 - Add the two like fractions:
432/60 + 54/60 = 432 + 54/60 = 486/60 - 486/60 simplified gives 81/10
- So, 72/10 + 54/60 = 81/10
In mixed form: 81/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20+54/60 72/30+54/60 72/50+54/60 72/70+54/60