Add 80/56 and 24/90
1st number: 1 24/56, 2nd number: 24/90
80/56 + 24/90 is 178/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 90 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
80/56 = 80 × 45/56 × 45 = 3600/2520 - Likewise, for the 2nd fraction, since 90 × 28 = 2520,
24/90 = 24 × 28/90 × 28 = 672/2520 - Add the two like fractions:
3600/2520 + 672/2520 = 3600 + 672/2520 = 4272/2520 - 4272/2520 simplified gives 178/105
- So, 80/56 + 24/90 = 178/105
In mixed form: 173/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/56+48/90 80/56+72/90