Add 15/2 and 8/42
1st number: 7 1/2, 2nd number: 8/42
15/2 + 8/42 is 323/42.
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,
8/42 = 8 × 1/42 × 1 = 8/42 - Add the two like fractions:
315/42 + 8/42 = 315 + 8/42 = 323/42 - So, 15/2 + 8/42 = 323/42
In mixed form: 729/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/2+8/42 15/2+16/42 15/4+8/42 15/2+8/84 45/2+8/42 15/2+24/42 15/6+8/42 75/2+8/42 15/2+40/42 15/10+8/42 15/2+56/42 15/14+8/42