Add 45/75 and 14/90
45/75 + 14/90 is 34/45.
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,
45/75 = 45 × 6/75 × 6 = 270/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
14/90 = 14 × 5/90 × 5 = 70/450 - Add the two like fractions:
270/450 + 70/450 = 270 + 70/450 = 340/450 - 340/450 simplified gives 34/45
- So, 45/75 + 14/90 = 34/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/75+14/90 45/75+28/90 45/75+42/90 45/75+70/90 45/75+98/90