Add 42/56 and 30/50
42/56 + 30/50 is 27/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 50 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 56 × 25 = 1400,
42/56 = 42 × 25/56 × 25 = 1050/1400 - Likewise, for the 2nd fraction, since 50 × 28 = 1400,
30/50 = 30 × 28/50 × 28 = 840/1400 - Add the two like fractions:
1050/1400 + 840/1400 = 1050 + 840/1400 = 1890/1400 - 1890/1400 simplified gives 27/20
- So, 42/56 + 30/50 = 27/20
In mixed form: 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/56+30/50 42/56+60/50 42/56+90/50