Add 63/10 and 5/21
1st number: 6 3/10, 2nd number: 5/21
63/10 + 5/21 is 1373/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
63/10 = 63 × 21/10 × 21 = 1323/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
5/21 = 5 × 10/21 × 10 = 50/210 - Add the two like fractions:
1323/210 + 50/210 = 1323 + 50/210 = 1373/210 - So, 63/10 + 5/21 = 1373/210
In mixed form: 6113/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/10+10/21 63/20+5/21 63/10+5/42 63/10+15/21 63/30+5/21 63/10+5/63 63/10+25/21 63/50+5/21 63/10+35/21 63/70+5/21