Add 1/70 and 2/21
1/70 + 2/21 is 23/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
1/70 = 1 × 3/70 × 3 = 3/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
2/21 = 2 × 10/21 × 10 = 20/210 - Add the two like fractions:
3/210 + 20/210 = 3 + 20/210 = 23/210 - So, 1/70 + 2/21 = 23/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/70+2/21 1/70+4/21 1/70+2/42 3/70+2/21 1/70+6/21 1/70+2/63 5/70+2/21 1/70+10/21 7/70+2/21 1/70+14/21