Add 27/3 and 45/40
1st number: 9 0/3, 2nd number: 1 5/40
27/3 + 45/40 is 81/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
27/3 = 27 × 40/3 × 40 = 1080/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
45/40 = 45 × 3/40 × 3 = 135/120 - Add the two like fractions:
1080/120 + 135/120 = 1080 + 135/120 = 1215/120 - 1215/120 simplified gives 81/8
- So, 27/3 + 45/40 = 81/8
In mixed form: 101/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/3+45/40 27/3+90/40 27/6+45/40 27/3+45/80 81/3+45/40 27/9+45/40 27/15+45/40 27/21+45/40