Add 21/98 and 24/10
1st number: 21/98, 2nd number: 2 4/10
21/98 + 24/10 is 183/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 10 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
21/98 = 21 × 5/98 × 5 = 105/490 - Likewise, for the 2nd fraction, since 10 × 49 = 490,
24/10 = 24 × 49/10 × 49 = 1176/490 - Add the two like fractions:
105/490 + 1176/490 = 105 + 1176/490 = 1281/490 - 1281/490 simplified gives 183/70
- So, 21/98 + 24/10 = 183/70
In mixed form: 243/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/98+24/10 21/98+48/10 21/98+24/20 63/98+24/10 21/98+72/10 21/98+24/30 21/98+24/50 21/98+24/70