Add 15/56 and 30/50
15/56 + 30/50 is 243/280.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 50 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 56 × 25 = 1400,
15/56 = 15 × 25/56 × 25 = 375/1400 - Likewise, for the 2nd fraction, since 50 × 28 = 1400,
30/50 = 30 × 28/50 × 28 = 840/1400 - Add the two like fractions:
375/1400 + 840/1400 = 375 + 840/1400 = 1215/1400 - 1215/1400 simplified gives 243/280
- So, 15/56 + 30/50 = 243/280
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/56+30/50 15/56+60/50 45/56+30/50 15/56+90/50 75/56+30/50