Add 5/2 and 12/42
1st number: 2 1/2, 2nd number: 12/42
5/2 + 12/42 is 39/14.
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,
5/2 = 5 × 21/2 × 21 = 105/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
12/42 = 12 × 1/42 × 1 = 12/42 - Add the two like fractions:
105/42 + 12/42 = 105 + 12/42 = 117/42 - 117/42 simplified gives 39/14
- So, 5/2 + 12/42 = 39/14
In mixed form: 211/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/2+12/42 5/2+24/42 5/4+12/42 5/2+12/84 15/2+12/42 5/2+36/42 5/6+12/42 25/2+12/42 5/2+60/42 5/10+12/42 35/2+12/42 5/2+84/42 5/14+12/42