Add 45/60 and 72/10
1st number: 45/60, 2nd number: 7 2/10
45/60 + 72/10 is 159/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 10 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 60 × 1 = 60,
45/60 = 45 × 1/60 × 1 = 45/60 - Likewise, for the 2nd fraction, since 10 × 6 = 60,
72/10 = 72 × 6/10 × 6 = 432/60 - Add the two like fractions:
45/60 + 432/60 = 45 + 432/60 = 477/60 - 477/60 simplified gives 159/20
- So, 45/60 + 72/10 = 159/20
In mixed form: 719/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/60+72/10 45/60+72/20 45/60+72/30 45/60+72/50 45/60+72/70