Add 81/2 and 40/4
1st number: 40 1/2, 2nd number: 10 0/4
81/2 + 40/4 is 101/2.
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,
81/2 = 81 × 2/2 × 2 = 162/4 - Likewise, for the 2nd fraction, since 4 × 1 = 4,
40/4 = 40 × 1/4 × 1 = 40/4 - Add the two like fractions:
162/4 + 40/4 = 162 + 40/4 = 202/4 - 202/4 simplified gives 101/2
- So, 81/2 + 40/4 = 101/2
In mixed form: 501/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/2+80/4 81/4+40/4 81/2+40/8 81/6+40/4 81/2+40/12 81/10+40/4 81/2+40/20 81/14+40/4 81/2+40/28