Add 25/2 and 42/8
1st number: 12 1/2, 2nd number: 5 2/8
25/2 + 42/8 is 71/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 2 × 4 = 8,
25/2 = 25 × 4/2 × 4 = 100/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
42/8 = 42 × 1/8 × 1 = 42/8 - Add the two like fractions:
100/8 + 42/8 = 100 + 42/8 = 142/8 - 142/8 simplified gives 71/4
- So, 25/2 + 42/8 = 71/4
In mixed form: 173/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/2+42/8 25/2+84/8 25/4+42/8 25/2+42/16 75/2+42/8 25/6+42/8 25/2+42/24 25/10+42/8 25/2+42/40 25/14+42/8 25/2+42/56