Add 15/56 and 45/80
15/56 + 45/80 is 93/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 56 × 10 = 560,
15/56 = 15 × 10/56 × 10 = 150/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
45/80 = 45 × 7/80 × 7 = 315/560 - Add the two like fractions:
150/560 + 315/560 = 150 + 315/560 = 465/560 - 465/560 simplified gives 93/112
- So, 15/56 + 45/80 = 93/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/56+45/80 15/56+90/80 45/56+45/80 75/56+45/80