Add 25/2 and 81/28
1st number: 12 1/2, 2nd number: 2 25/28
25/2 + 81/28 is 431/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 28 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 2 × 14 = 28,
25/2 = 25 × 14/2 × 14 = 350/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
81/28 = 81 × 1/28 × 1 = 81/28 - Add the two like fractions:
350/28 + 81/28 = 350 + 81/28 = 431/28 - So, 25/2 + 81/28 = 431/28
In mixed form: 1511/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/2+81/28 25/4+81/28 25/2+81/56 75/2+81/28 25/6+81/28 25/2+81/84 25/10+81/28 25/14+81/28