Add 42/2 and 27/28
1st number: 21 0/2, 2nd number: 27/28
42/2 + 27/28 is 615/28.
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,
42/2 = 42 × 14/2 × 14 = 588/28 - Likewise, for the 2nd fraction, since 28 × 1 = 28,
27/28 = 27 × 1/28 × 1 = 27/28 - Add the two like fractions:
588/28 + 27/28 = 588 + 27/28 = 615/28 - So, 42/2 + 27/28 = 615/28
In mixed form: 2127/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2+27/28 42/2+54/28 42/4+27/28 42/2+27/56 42/2+81/28 42/6+27/28 42/2+27/84 42/10+27/28 42/14+27/28