Add 45/70 and 14/81
45/70 + 14/81 is 925/1134.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 81 is 5670
Next, find the equivalent fraction of both fractional numbers with denominator 5670 - For the 1st fraction, since 70 × 81 = 5670,
45/70 = 45 × 81/70 × 81 = 3645/5670 - Likewise, for the 2nd fraction, since 81 × 70 = 5670,
14/81 = 14 × 70/81 × 70 = 980/5670 - Add the two like fractions:
3645/5670 + 980/5670 = 3645 + 980/5670 = 4625/5670 - 4625/5670 simplified gives 925/1134
- So, 45/70 + 14/81 = 925/1134
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70+14/81 45/70+28/81 45/70+42/81 45/70+70/81 45/70+98/81