Add 21/35 and 2/27
21/35 + 2/27 is 91/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 27 is 945
Next, find the equivalent fraction of both fractional numbers with denominator 945 - For the 1st fraction, since 35 × 27 = 945,
21/35 = 21 × 27/35 × 27 = 567/945 - Likewise, for the 2nd fraction, since 27 × 35 = 945,
2/27 = 2 × 35/27 × 35 = 70/945 - Add the two like fractions:
567/945 + 70/945 = 567 + 70/945 = 637/945 - 637/945 simplified gives 91/135
- So, 21/35 + 2/27 = 91/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/35+2/27 21/35+4/27 21/70+2/27 21/35+2/54 63/35+2/27 21/35+6/27 21/35+2/81 21/35+10/27 21/35+14/27