Add 98/28 and 75/90
1st number: 3 14/28, 2nd number: 75/90
98/28 + 75/90 is 13/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 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 90 × 14 = 1260,
75/90 = 75 × 14/90 × 14 = 1050/1260 - Add the two like fractions:
4410/1260 + 1050/1260 = 4410 + 1050/1260 = 5460/1260 - 5460/1260 simplified gives 13/3
- So, 98/28 + 75/90 = 13/3
In mixed form: 41/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/56+75/90 98/84+75/90