Add 15/2 and 10/42
1st number: 7 1/2, 2nd number: 10/42
15/2 + 10/42 is 325/42.
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,
15/2 = 15 × 21/2 × 21 = 315/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
10/42 = 10 × 1/42 × 1 = 10/42 - Add the two like fractions:
315/42 + 10/42 = 315 + 10/42 = 325/42 - So, 15/2 + 10/42 = 325/42
In mixed form: 731/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2+10/42 15/2+20/42 15/4+10/42 15/2+10/84 45/2+10/42 15/2+30/42 15/6+10/42 75/2+10/42 15/2+50/42 15/10+10/42 15/2+70/42 15/14+10/42