Add 81/75 and 14/90
1st number: 1 6/75, 2nd number: 14/90
81/75 + 14/90 is 278/225.
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,
81/75 = 81 × 6/75 × 6 = 486/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
14/90 = 14 × 5/90 × 5 = 70/450 - Add the two like fractions:
486/450 + 70/450 = 486 + 70/450 = 556/450 - 556/450 simplified gives 278/225
- So, 81/75 + 14/90 = 278/225
In mixed form: 153/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/75+28/90 81/75+42/90 81/75+70/90 81/75+98/90