Add 6/21 and 24/90
6/21 + 24/90 is 58/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 21 × 30 = 630,
6/21 = 6 × 30/21 × 30 = 180/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
24/90 = 24 × 7/90 × 7 = 168/630 - Add the two like fractions:
180/630 + 168/630 = 180 + 168/630 = 348/630 - 348/630 simplified gives 58/105
- So, 6/21 + 24/90 = 58/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/21+24/90 6/21+48/90 6/42+24/90 18/21+24/90 6/21+72/90 6/63+24/90 30/21+24/90 42/21+24/90