Add 80/70 and 35/56
1st number: 1 10/70, 2nd number: 35/56
80/70 + 35/56 is 99/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 56 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
80/70 = 80 × 4/70 × 4 = 320/280 - Likewise, for the 2nd fraction, since 56 × 5 = 280,
35/56 = 35 × 5/56 × 5 = 175/280 - Add the two like fractions:
320/280 + 175/280 = 320 + 175/280 = 495/280 - 495/280 simplified gives 99/56
- So, 80/70 + 35/56 = 99/56
In mixed form: 143/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/70+70/56