Add 50/80 and 15/56
50/80 + 15/56 is 25/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 56 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
50/80 = 50 × 7/80 × 7 = 350/560 - Likewise, for the 2nd fraction, since 56 × 10 = 560,
15/56 = 15 × 10/56 × 10 = 150/560 - Add the two like fractions:
350/560 + 150/560 = 350 + 150/560 = 500/560 - 500/560 simplified gives 25/28
- So, 50/80 + 15/56 = 25/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/80+30/56 50/80+45/56 50/80+75/56