Add 54/45 and 98/30
1st number: 1 9/45, 2nd number: 3 8/30
54/45 + 98/30 is 67/15.
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,
54/45 = 54 × 2/45 × 2 = 108/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
98/30 = 98 × 3/30 × 3 = 294/90 - Add the two like fractions:
108/90 + 294/90 = 108 + 294/90 = 402/90 - 402/90 simplified gives 67/15
- So, 54/45 + 98/30 = 67/15
In mixed form: 47/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/90+98/30 54/45+98/60 54/45+98/90