Add 15/50 and 7/56
15/50 + 7/56 is 17/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 56 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 50 × 28 = 1400,
15/50 = 15 × 28/50 × 28 = 420/1400 - Likewise, for the 2nd fraction, since 56 × 25 = 1400,
7/56 = 7 × 25/56 × 25 = 175/1400 - Add the two like fractions:
420/1400 + 175/1400 = 420 + 175/1400 = 595/1400 - 595/1400 simplified gives 17/40
- So, 15/50 + 7/56 = 17/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/50+7/56 15/50+14/56 45/50+7/56 15/50+21/56 75/50+7/56 15/50+35/56 15/50+49/56