Add 42/56 and 28/7
1st number: 42/56, 2nd number: 4 0/7
42/56 + 28/7 is 19/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
42/56 = 42 × 1/56 × 1 = 42/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
28/7 = 28 × 8/7 × 8 = 224/56 - Add the two like fractions:
42/56 + 224/56 = 42 + 224/56 = 266/56 - 266/56 simplified gives 19/4
- So, 42/56 + 28/7 = 19/4
In mixed form: 43/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56+28/7 42/56+56/7 42/56+28/14 42/56+84/7 42/56+28/21 42/56+28/35 42/56+28/49