Add 80/2 and 90/8
1st number: 40 0/2, 2nd number: 11 2/8
80/2 + 90/8 is 205/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8 - For the 1st fraction, since 2 × 4 = 8,
80/2 = 80 × 4/2 × 4 = 320/8 - Likewise, for the 2nd fraction, since 8 × 1 = 8,
90/8 = 90 × 1/8 × 1 = 90/8 - Add the two like fractions:
320/8 + 90/8 = 320 + 90/8 = 410/8 - 410/8 simplified gives 205/4
- So, 80/2 + 90/8 = 205/4
In mixed form: 511/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/4+90/8 80/2+90/16 80/6+90/8 80/2+90/24 80/10+90/8 80/2+90/40 80/14+90/8 80/2+90/56