Add 75/18 and 18/7
1st number: 4 3/18, 2nd number: 2 4/7
75/18 + 18/7 is 283/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
75/18 = 75 × 7/18 × 7 = 525/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
18/7 = 18 × 18/7 × 18 = 324/126 - Add the two like fractions:
525/126 + 324/126 = 525 + 324/126 = 849/126 - 849/126 simplified gives 283/42
- So, 75/18 + 18/7 = 283/42
In mixed form: 631/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/18+36/7 75/36+18/7 75/18+18/14 75/18+54/7 75/54+18/7 75/18+18/21 75/18+90/7 75/90+18/7 75/18+18/35 75/18+18/49