Add 90/28 and 5/45
1st number: 3 6/28, 2nd number: 5/45
90/28 + 5/45 is 419/126.
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,
5/45 = 5 × 28/45 × 28 = 140/1260 - Add the two like fractions:
4050/1260 + 140/1260 = 4050 + 140/1260 = 4190/1260 - 4190/1260 simplified gives 419/126
- So, 90/28 + 5/45 = 419/126
In mixed form: 341/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/28+10/45 90/56+5/45 90/28+5/90 90/28+15/45 90/84+5/45 90/28+25/45 90/28+35/45