Add 70/8 and 50/20
1st number: 8 6/8, 2nd number: 2 10/20
70/8 + 50/20 is 45/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
70/8 = 70 × 5/8 × 5 = 350/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
50/20 = 50 × 2/20 × 2 = 100/40 - Add the two like fractions:
350/40 + 100/40 = 350 + 100/40 = 450/40 - 450/40 simplified gives 45/4
- So, 70/8 + 50/20 = 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: 70/16+50/20 70/8+50/40 70/24+50/20 70/8+50/60 70/40+50/20 70/56+50/20