Add 42/2 and 30/10
1st number: 21 0/2, 2nd number: 3 0/10
42/2 + 30/10 is 24/1.
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,
30/10 = 30 × 1/10 × 1 = 30/10 - Add the two like fractions:
210/10 + 30/10 = 210 + 30/10 = 240/10 - 240/10 simplified gives 24/1
- So, 42/2 + 30/10 = 24/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2+30/10 42/2+60/10 42/4+30/10 42/2+30/20 42/2+90/10 42/6+30/10 42/10+30/10 42/2+30/50 42/14+30/10 42/2+30/70