Add 42/2 and 80/4
1st number: 21 0/2, 2nd number: 20 0/4
42/2 + 80/4 is 41/1.
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,
42/2 = 42 × 2/2 × 2 = 84/4 - Likewise, for the 2nd fraction, since 4 × 1 = 4,
80/4 = 80 × 1/4 × 1 = 80/4 - Add the two like fractions:
84/4 + 80/4 = 84 + 80/4 = 164/4 - 164/4 simplified gives 41/1
- So, 42/2 + 80/4 = 41/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/2+80/4 42/4+80/4 42/2+80/8 42/6+80/4 42/2+80/12 42/10+80/4 42/2+80/20 42/14+80/4 42/2+80/28