Add 2/21 and 56/70
2/21 + 56/70 is 94/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
2/21 = 2 × 10/21 × 10 = 20/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
56/70 = 56 × 3/70 × 3 = 168/210 - Add the two like fractions:
20/210 + 168/210 = 20 + 168/210 = 188/210 - 188/210 simplified gives 94/105
- So, 2/21 + 56/70 = 94/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/21+56/70 2/42+56/70 6/21+56/70 2/63+56/70 10/21+56/70 14/21+56/70