Add 8/10 and 15/80
8/10 + 15/80 is 79/80.
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,
8/10 = 8 × 8/10 × 8 = 64/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
15/80 = 15 × 1/80 × 1 = 15/80 - Add the two like fractions:
64/80 + 15/80 = 64 + 15/80 = 79/80 - So, 8/10 + 15/80 = 79/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/10+15/80 8/10+30/80 8/20+15/80 24/10+15/80 8/10+45/80 8/30+15/80 40/10+15/80 8/10+75/80 8/50+15/80 56/10+15/80 8/70+15/80