Add 50/4 and 45/72
1st number: 12 2/4, 2nd number: 45/72
50/4 + 45/72 is 105/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
50/4 = 50 × 18/4 × 18 = 900/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
45/72 = 45 × 1/72 × 1 = 45/72 - Add the two like fractions:
900/72 + 45/72 = 900 + 45/72 = 945/72 - 945/72 simplified gives 105/8
- So, 50/4 + 45/72 = 105/8
In mixed form: 131/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4+90/72 50/8+45/72 50/12+45/72 50/20+45/72 50/28+45/72