Add 10/35 and 80/20
1st number: 10/35, 2nd number: 4 0/20
10/35 + 80/20 is 30/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
10/35 = 10 × 4/35 × 4 = 40/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
80/20 = 80 × 7/20 × 7 = 560/140 - Add the two like fractions:
40/140 + 560/140 = 40 + 560/140 = 600/140 - 600/140 simplified gives 30/7
- So, 10/35 + 80/20 = 30/7
In mixed form: 42/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/35+80/20 10/70+80/20 10/35+80/40 30/35+80/20 10/35+80/60 50/35+80/20 70/35+80/20