Add 14/70 and 16/81
14/70 + 16/81 is 161/405.
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,
14/70 = 14 × 81/70 × 81 = 1134/5670 - Likewise, for the 2nd fraction, since 81 × 70 = 5670,
16/81 = 16 × 70/81 × 70 = 1120/5670 - Add the two like fractions:
1134/5670 + 1120/5670 = 1134 + 1120/5670 = 2254/5670 - 2254/5670 simplified gives 161/405
- So, 14/70 + 16/81 = 161/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 28/70+16/81 14/70+32/81 42/70+16/81 14/70+48/81 14/70+80/81 98/70+16/81