Add 8/20 and 80/56
1st number: 8/20, 2nd number: 1 24/56
8/20 + 80/56 is 64/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 20 × 14 = 280,
8/20 = 8 × 14/20 × 14 = 112/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
80/56 = 80 × 5/56 × 5 = 400/280 - Add the two like fractions:
112/280 + 400/280 = 112 + 400/280 = 512/280 - 512/280 simplified gives 64/35
- So, 8/20 + 80/56 = 64/35
In mixed form: 129/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/20+80/56 8/40+80/56 24/20+80/56 8/60+80/56 40/20+80/56 56/20+80/56