Add 75/45 and 63/54
1st number: 1 30/45, 2nd number: 1 9/54
75/45 + 63/54 is 17/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 45 × 6 = 270,
75/45 = 75 × 6/45 × 6 = 450/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
63/54 = 63 × 5/54 × 5 = 315/270 - Add the two like fractions:
450/270 + 315/270 = 450 + 315/270 = 765/270 - 765/270 simplified gives 17/6
- So, 75/45 + 63/54 = 17/6
In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/90+63/54