Add 12/75 and 14/90
12/75 + 14/90 is 71/225.
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,
12/75 = 12 × 6/75 × 6 = 72/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
14/90 = 14 × 5/90 × 5 = 70/450 - Add the two like fractions:
72/450 + 70/450 = 72 + 70/450 = 142/450 - 142/450 simplified gives 71/225
- So, 12/75 + 14/90 = 71/225
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/75+14/90 12/75+28/90 36/75+14/90 12/75+42/90 60/75+14/90 12/75+70/90 84/75+14/90 12/75+98/90