Add 80/56 and 12/80
1st number: 1 24/56, 2nd number: 12/80
80/56 + 12/80 is 221/140.
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,
80/56 = 80 × 10/56 × 10 = 800/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
12/80 = 12 × 7/80 × 7 = 84/560 - Add the two like fractions:
800/560 + 84/560 = 800 + 84/560 = 884/560 - 884/560 simplified gives 221/140
- So, 80/56 + 12/80 = 221/140
In mixed form: 181/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/56+24/80 80/56+36/80 80/56+60/80 80/56+84/80