Add 15/75 and 72/7
1st number: 15/75, 2nd number: 10 2/7
15/75 + 72/7 is 367/35.
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,
15/75 = 15 × 7/75 × 7 = 105/525 - Likewise, for the 2nd fraction, since 7 × 75 = 525,
72/7 = 72 × 75/7 × 75 = 5400/525 - Add the two like fractions:
105/525 + 5400/525 = 105 + 5400/525 = 5505/525 - 5505/525 simplified gives 367/35
- So, 15/75 + 72/7 = 367/35
In mixed form: 1017/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/75+72/7 15/75+72/14 45/75+72/7 15/75+72/21 15/75+72/35 15/75+72/49