Add 90/28 and 35/45
1st number: 3 6/28, 2nd number: 35/45
90/28 + 35/45 is 503/126.
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,
90/28 = 90 × 45/28 × 45 = 4050/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
35/45 = 35 × 28/45 × 28 = 980/1260 - Add the two like fractions:
4050/1260 + 980/1260 = 4050 + 980/1260 = 5030/1260 - 5030/1260 simplified gives 503/126
- So, 90/28 + 35/45 = 503/126
In mixed form: 3125/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+70/45 90/56+35/45 90/28+35/90 90/84+35/45