Add 15/50 and 7/28
15/50 + 7/28 is 11/20.
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,
15/50 = 15 × 14/50 × 14 = 210/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
7/28 = 7 × 25/28 × 25 = 175/700 - Add the two like fractions:
210/700 + 175/700 = 210 + 175/700 = 385/700 - 385/700 simplified gives 11/20
- So, 15/50 + 7/28 = 11/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/50+7/28 15/50+14/28 15/50+7/56 45/50+7/28 15/50+21/28 15/50+7/84 75/50+7/28 15/50+35/28 15/50+49/28