Add 72/10 and 6/80
1st number: 7 2/10, 2nd number: 6/80
72/10 + 6/80 is 291/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 10 × 8 = 80,
72/10 = 72 × 8/10 × 8 = 576/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
6/80 = 6 × 1/80 × 1 = 6/80 - Add the two like fractions:
576/80 + 6/80 = 576 + 6/80 = 582/80 - 582/80 simplified gives 291/40
- So, 72/10 + 6/80 = 291/40
In mixed form: 711/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/10+12/80 72/20+6/80 72/10+18/80 72/30+6/80 72/10+30/80 72/50+6/80 72/10+42/80 72/70+6/80