Add 30/2 and 42/56
1st number: 15 0/2, 2nd number: 42/56
30/2 + 42/56 is 63/4.
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,
42/56 = 42 × 1/56 × 1 = 42/56 - Add the two like fractions:
840/56 + 42/56 = 840 + 42/56 = 882/56 - 882/56 simplified gives 63/4
- So, 30/2 + 42/56 = 63/4
In mixed form: 153/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/2+42/56 30/2+84/56 30/4+42/56 90/2+42/56 30/6+42/56 30/10+42/56 30/14+42/56