Add 42/2 and 5/10
1st number: 21 0/2, 2nd number: 5/10
42/2 + 5/10 is 43/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 10 is 10
Next, find the equivalent fraction of both fractional numbers with denominator 10 - For the 1st fraction, since 2 × 5 = 10,
42/2 = 42 × 5/2 × 5 = 210/10 - Likewise, for the 2nd fraction, since 10 × 1 = 10,
5/10 = 5 × 1/10 × 1 = 5/10 - Add the two like fractions:
210/10 + 5/10 = 210 + 5/10 = 215/10 - 215/10 simplified gives 43/2
- So, 42/2 + 5/10 = 43/2
In mixed form: 211/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2+5/10 42/4+5/10 42/2+5/20 42/2+15/10 42/6+5/10 42/2+5/30 42/2+25/10 42/10+5/10 42/2+5/50 42/2+35/10 42/14+5/10 42/2+5/70