Add 10/2 and 30/42
1st number: 5 0/2, 2nd number: 30/42
10/2 + 30/42 is 40/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
10/2 = 10 × 21/2 × 21 = 210/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
30/42 = 30 × 1/42 × 1 = 30/42 - Add the two like fractions:
210/42 + 30/42 = 210 + 30/42 = 240/42 - 240/42 simplified gives 40/7
- So, 10/2 + 30/42 = 40/7
In mixed form: 55/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/2+30/42 10/2+60/42 10/4+30/42 10/2+30/84 30/2+30/42 10/2+90/42 10/6+30/42 50/2+30/42 70/2+30/42 10/14+30/42