Add 80/8 and 30/10
1st number: 10 0/8, 2nd number: 3 0/10
80/8 + 30/10 is 13/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
80/8 = 80 × 5/8 × 5 = 400/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
30/10 = 30 × 4/10 × 4 = 120/40 - Add the two like fractions:
400/40 + 120/40 = 400 + 120/40 = 520/40 - 520/40 simplified gives 13/1
- So, 80/8 + 30/10 = 13/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/8+60/10 80/16+30/10 80/8+30/20 80/8+90/10 80/24+30/10 80/40+30/10 80/8+30/50 80/56+30/10 80/8+30/70