Add 21/2 and 6/30
1st number: 10 1/2, 2nd number: 6/30
21/2 + 6/30 is 107/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
21/2 = 21 × 15/2 × 15 = 315/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
6/30 = 6 × 1/30 × 1 = 6/30 - Add the two like fractions:
315/30 + 6/30 = 315 + 6/30 = 321/30 - 321/30 simplified gives 107/10
- So, 21/2 + 6/30 = 107/10
In mixed form: 107/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/2+6/30 21/2+12/30 21/4+6/30 21/2+6/60 63/2+6/30 21/2+18/30 21/6+6/30 21/2+6/90 21/10+6/30 21/2+42/30 21/14+6/30