Add 75/90 and 35/7
1st number: 75/90, 2nd number: 5 0/7
75/90 + 35/7 is 35/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 7 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
75/90 = 75 × 7/90 × 7 = 525/630 - Likewise, for the 2nd fraction, since 7 × 90 = 630,
35/7 = 35 × 90/7 × 90 = 3150/630 - Add the two like fractions:
525/630 + 3150/630 = 525 + 3150/630 = 3675/630 - 3675/630 simplified gives 35/6
- So, 75/90 + 35/7 = 35/6
In mixed form: 55/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/90+70/7 75/90+35/14 75/90+35/21 75/90+35/49