Add 9/90 and 35/28
1st number: 9/90, 2nd number: 1 7/28
9/90 + 35/28 is 27/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
9/90 = 9 × 14/90 × 14 = 126/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
35/28 = 35 × 45/28 × 45 = 1575/1260 - Add the two like fractions:
126/1260 + 1575/1260 = 126 + 1575/1260 = 1701/1260 - 1701/1260 simplified gives 27/20
- So, 9/90 + 35/28 = 27/20
In mixed form: 17/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/90+35/28 9/90+70/28 9/90+35/56 27/90+35/28 9/90+35/84 45/90+35/28 63/90+35/28