Add 50/2 and 90/72
1st number: 25 0/2, 2nd number: 1 18/72
50/2 + 90/72 is 105/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 2 × 36 = 72,
50/2 = 50 × 36/2 × 36 = 1800/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
90/72 = 90 × 1/72 × 1 = 90/72 - Add the two like fractions:
1800/72 + 90/72 = 1800 + 90/72 = 1890/72 - 1890/72 simplified gives 105/4
- So, 50/2 + 90/72 = 105/4
In mixed form: 261/4
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 50/6+90/72 50/10+90/72 50/14+90/72