Add 4/21 and 1/10
4/21 + 1/10 is 61/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
4/21 = 4 × 10/21 × 10 = 40/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
1/10 = 1 × 21/10 × 21 = 21/210 - Add the two like fractions:
40/210 + 21/210 = 40 + 21/210 = 61/210 - So, 4/21 + 1/10 = 61/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/21+1/10 4/21+2/10 4/42+1/10 4/21+1/20 12/21+1/10 4/21+3/10 4/63+1/10 4/21+1/30 20/21+1/10 4/21+5/10 4/21+1/50 28/21+1/10 4/21+7/10 4/21+1/70