Add 98/28 and 18/45
1st number: 3 14/28, 2nd number: 18/45
98/28 + 18/45 is 39/10.
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,
18/45 = 18 × 28/45 × 28 = 504/1260 - Add the two like fractions:
4410/1260 + 504/1260 = 4410 + 504/1260 = 4914/1260 - 4914/1260 simplified gives 39/10
- So, 98/28 + 18/45 = 39/10
In mixed form: 39/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/28+36/45 98/56+18/45 98/28+18/90 98/28+54/45 98/84+18/45 98/28+90/45