Add 7/35 and 14/81
7/35 + 14/81 is 151/405.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 81 is 2835
Next, find the equivalent fraction of both fractional numbers with denominator 2835 - For the 1st fraction, since 35 × 81 = 2835,
7/35 = 7 × 81/35 × 81 = 567/2835 - Likewise, for the 2nd fraction, since 81 × 35 = 2835,
14/81 = 14 × 35/81 × 35 = 490/2835 - Add the two like fractions:
567/2835 + 490/2835 = 567 + 490/2835 = 1057/2835 - 1057/2835 simplified gives 151/405
- So, 7/35 + 14/81 = 151/405
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/35+14/81 7/35+28/81 7/70+14/81 21/35+14/81 7/35+42/81 7/35+70/81 49/35+14/81 7/35+98/81