Add 75/80 and 72/10
1st number: 75/80, 2nd number: 7 2/10
75/80 + 72/10 is 651/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 10 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
75/80 = 75 × 1/80 × 1 = 75/80 - Likewise, for the 2nd fraction, since 10 × 8 = 80,
72/10 = 72 × 8/10 × 8 = 576/80 - Add the two like fractions:
75/80 + 576/80 = 75 + 576/80 = 651/80 - So, 75/80 + 72/10 = 651/80
In mixed form: 811/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/80+72/20 75/80+72/30 75/80+72/50 75/80+72/70