Add 45/20 and 50/8
1st number: 2 5/20, 2nd number: 6 2/8
45/20 + 50/8 is 17/2.
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,
45/20 = 45 × 2/20 × 2 = 90/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
50/8 = 50 × 5/8 × 5 = 250/40 - Add the two like fractions:
90/40 + 250/40 = 90 + 250/40 = 340/40 - 340/40 simplified gives 17/2
- So, 45/20 + 50/8 = 17/2
In mixed form: 81/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/20+50/8 45/40+50/8 45/20+50/16 45/60+50/8 45/20+50/24 45/20+50/40 45/20+50/56