Add 54/5 and 80/70
1st number: 10 4/5, 2nd number: 1 10/70
54/5 + 80/70 is 418/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
54/5 = 54 × 14/5 × 14 = 756/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
80/70 = 80 × 1/70 × 1 = 80/70 - Add the two like fractions:
756/70 + 80/70 = 756 + 80/70 = 836/70 - 836/70 simplified gives 418/35
- So, 54/5 + 80/70 = 418/35
In mixed form: 1133/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/10+80/70 54/15+80/70 54/25+80/70 54/35+80/70