Add 42/75 and 18/7
1st number: 42/75, 2nd number: 2 4/7
42/75 + 18/7 is 548/175.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 7 is 525
Next, find the equivalent fraction of both fractional numbers with denominator 525 - For the 1st fraction, since 75 × 7 = 525,
42/75 = 42 × 7/75 × 7 = 294/525 - Likewise, for the 2nd fraction, since 7 × 75 = 525,
18/7 = 18 × 75/7 × 75 = 1350/525 - Add the two like fractions:
294/525 + 1350/525 = 294 + 1350/525 = 1644/525 - 1644/525 simplified gives 548/175
- So, 42/75 + 18/7 = 548/175
In mixed form: 323/175
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/75+18/7 42/75+36/7 42/75+18/14 42/75+54/7 42/75+18/21 42/75+90/7 42/75+18/35 42/75+18/49