Add 80/2 and 45/4
1st number: 40 0/2, 2nd number: 11 1/4
80/2 + 45/4 is 205/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 4 is 4
Next, find the equivalent fraction of both fractional numbers with denominator 4 - For the 1st fraction, since 2 × 2 = 4,
80/2 = 80 × 2/2 × 2 = 160/4 - Likewise, for the 2nd fraction, since 4 × 1 = 4,
45/4 = 45 × 1/4 × 1 = 45/4 - Add the two like fractions:
160/4 + 45/4 = 160 + 45/4 = 205/4 - So, 80/2 + 45/4 = 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: 80/2+90/4 80/4+45/4 80/2+45/8 80/6+45/4 80/2+45/12 80/10+45/4 80/2+45/20 80/14+45/4 80/2+45/28