Add 80/56 and 36/70
1st number: 1 24/56, 2nd number: 36/70
80/56 + 36/70 is 68/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
80/56 = 80 × 5/56 × 5 = 400/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
36/70 = 36 × 4/70 × 4 = 144/280 - Add the two like fractions:
400/280 + 144/280 = 400 + 144/280 = 544/280 - 544/280 simplified gives 68/35
- So, 80/56 + 36/70 = 68/35
In mixed form: 133/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/56+72/70