Add 80/75 and 63/90
1st number: 1 5/75, 2nd number: 63/90
80/75 + 63/90 is 53/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 75 × 6 = 450,
80/75 = 80 × 6/75 × 6 = 480/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
63/90 = 63 × 5/90 × 5 = 315/450 - Add the two like fractions:
480/450 + 315/450 = 480 + 315/450 = 795/450 - 795/450 simplified gives 53/30
- So, 80/75 + 63/90 = 53/30
In mixed form: 123/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: