Add 56/8 and 45/90
1st number: 7 0/8, 2nd number: 45/90
56/8 + 45/90 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
56/8 = 56 × 45/8 × 45 = 2520/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
45/90 = 45 × 4/90 × 4 = 180/360 - Add the two like fractions:
2520/360 + 180/360 = 2520 + 180/360 = 2700/360 - 2700/360 simplified gives 15/2
- So, 56/8 + 45/90 = 15/2
In mixed form: 71/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/16+45/90 56/24+45/90 56/40+45/90