Add 6/4 and 90/5
1st number: 1 2/4, 2nd number: 18 0/5
6/4 + 90/5 is 39/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
6/4 = 6 × 5/4 × 5 = 30/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
90/5 = 90 × 4/5 × 4 = 360/20 - Add the two like fractions:
30/20 + 360/20 = 30 + 360/20 = 390/20 - 390/20 simplified gives 39/2
- So, 6/4 + 90/5 = 39/2
In mixed form: 191/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/4+90/5 6/8+90/5 6/4+90/10 18/4+90/5 6/12+90/5 6/4+90/15 30/4+90/5 6/20+90/5 6/4+90/25 42/4+90/5 6/28+90/5 6/4+90/35