Add 98/28 and 54/45
1st number: 3 14/28, 2nd number: 1 9/45
98/28 + 54/45 is 47/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
98/28 = 98 × 45/28 × 45 = 4410/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
54/45 = 54 × 28/45 × 28 = 1512/1260 - Add the two like fractions:
4410/1260 + 1512/1260 = 4410 + 1512/1260 = 5922/1260 - 5922/1260 simplified gives 47/10
- So, 98/28 + 54/45 = 47/10
In mixed form: 47/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/56+54/45 98/28+54/90 98/84+54/45