Add 30/2 and 81/56
1st number: 15 0/2, 2nd number: 1 25/56
30/2 + 81/56 is 921/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 56 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 2 × 28 = 56,
30/2 = 30 × 28/2 × 28 = 840/56 - Likewise, for the 2nd fraction, since 56 × 1 = 56,
81/56 = 81 × 1/56 × 1 = 81/56 - Add the two like fractions:
840/56 + 81/56 = 840 + 81/56 = 921/56 - So, 30/2 + 81/56 = 921/56
In mixed form: 1625/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2+81/56 30/4+81/56 90/2+81/56 30/6+81/56 30/10+81/56 30/14+81/56