Add 84/90 and 4/8
84/90 + 4/8 is 43/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
84/90 = 84 × 4/90 × 4 = 336/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
4/8 = 4 × 45/8 × 45 = 180/360 - Add the two like fractions:
336/360 + 180/360 = 336 + 180/360 = 516/360 - 516/360 simplified gives 43/30
- So, 84/90 + 4/8 = 43/30
In mixed form: 113/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90+4/16 84/90+12/8 84/90+4/24 84/90+20/8 84/90+4/40 84/90+28/8 84/90+4/56