Add 4/45 and 20/8
1st number: 4/45, 2nd number: 2 4/8
4/45 + 20/8 is 233/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
4/45 = 4 × 8/45 × 8 = 32/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
20/8 = 20 × 45/8 × 45 = 900/360 - Add the two like fractions:
32/360 + 900/360 = 32 + 900/360 = 932/360 - 932/360 simplified gives 233/90
- So, 4/45 + 20/8 = 233/90
In mixed form: 253/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45+20/8 4/45+40/8 4/90+20/8 4/45+20/16 12/45+20/8 4/45+60/8 4/45+20/24 20/45+20/8 4/45+20/40 28/45+20/8 4/45+20/56