Add 50/20 and 18/28
1st number: 2 10/20, 2nd number: 18/28
50/20 + 18/28 is 22/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
50/20 = 50 × 7/20 × 7 = 350/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
18/28 = 18 × 5/28 × 5 = 90/140 - Add the two like fractions:
350/140 + 90/140 = 350 + 90/140 = 440/140 - 440/140 simplified gives 22/7
- So, 50/20 + 18/28 = 22/7
In mixed form: 31/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20+36/28 50/40+18/28 50/20+18/56 50/20+54/28 50/60+18/28 50/20+18/84 50/20+90/28