Add 10/50 and 21/28
10/50 + 21/28 is 19/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 28 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 50 × 14 = 700,
10/50 = 10 × 14/50 × 14 = 140/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
21/28 = 21 × 25/28 × 25 = 525/700 - Add the two like fractions:
140/700 + 525/700 = 140 + 525/700 = 665/700 - 665/700 simplified gives 19/20
- So, 10/50 + 21/28 = 19/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/50+21/28 10/50+42/28 10/50+21/56 30/50+21/28 10/50+63/28 10/50+21/84 70/50+21/28