Add 90/80 and 4/8
1st number: 1 10/80, 2nd number: 4/8
90/80 + 4/8 is 13/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 8 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 80 × 1 = 80,
90/80 = 90 × 1/80 × 1 = 90/80 - Likewise, for the 2nd fraction, since 8 × 10 = 80,
4/8 = 4 × 10/8 × 10 = 40/80 - Add the two like fractions:
90/80 + 40/80 = 90 + 40/80 = 130/80 - 130/80 simplified gives 13/8
- So, 90/80 + 4/8 = 13/8
In mixed form: 15/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/80+4/16 90/80+12/8 90/80+4/24 90/80+20/8 90/80+4/40 90/80+28/8 90/80+4/56