Add 42/75 and 72/56
1st number: 42/75, 2nd number: 1 16/56
42/75 + 72/56 is 323/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 56 is 4200
Next, find the equivalent fraction of both fractional numbers with denominator 4200 - For the 1st fraction, since 75 × 56 = 4200,
42/75 = 42 × 56/75 × 56 = 2352/4200 - Likewise, for the 2nd fraction, since 56 × 75 = 4200,
72/56 = 72 × 75/56 × 75 = 5400/4200 - Add the two like fractions:
2352/4200 + 5400/4200 = 2352 + 5400/4200 = 7752/4200 - 7752/4200 simplified gives 323/175
- So, 42/75 + 72/56 = 323/175
In mixed form: 1148/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75+72/56