Add 75/56 and 30/18
1st number: 1 19/56, 2nd number: 1 12/18
75/56 + 30/18 is 505/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
75/56 = 75 × 9/56 × 9 = 675/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
30/18 = 30 × 28/18 × 28 = 840/504 - Add the two like fractions:
675/504 + 840/504 = 675 + 840/504 = 1515/504 - 1515/504 simplified gives 505/168
- So, 75/56 + 30/18 = 505/168
In mixed form: 31/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/56+60/18 75/56+30/36 75/56+90/18 75/56+30/54 75/56+30/90