Add 50/20 and 70/8
1st number: 2 10/20, 2nd number: 8 6/8
50/20 + 70/8 is 45/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
50/20 = 50 × 2/20 × 2 = 100/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
70/8 = 70 × 5/8 × 5 = 350/40 - Add the two like fractions:
100/40 + 350/40 = 100 + 350/40 = 450/40 - 450/40 simplified gives 45/4
- So, 50/20 + 70/8 = 45/4
In mixed form: 111/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/40+70/8 50/20+70/16 50/60+70/8 50/20+70/24 50/20+70/40 50/20+70/56