Add 7/45 and 75/30
1st number: 7/45, 2nd number: 2 15/30
7/45 + 75/30 is 239/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
7/45 = 7 × 2/45 × 2 = 14/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
75/30 = 75 × 3/30 × 3 = 225/90 - Add the two like fractions:
14/90 + 225/90 = 14 + 225/90 = 239/90 - So, 7/45 + 75/30 = 239/90
In mixed form: 259/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/45+75/30 7/90+75/30 7/45+75/60 21/45+75/30 7/45+75/90 35/45+75/30 49/45+75/30