Add 45/2 and 45/72
1st number: 22 1/2, 2nd number: 45/72
45/2 + 45/72 is 185/8.
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,
45/2 = 45 × 36/2 × 36 = 1620/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
45/72 = 45 × 1/72 × 1 = 45/72 - Add the two like fractions:
1620/72 + 45/72 = 1620 + 45/72 = 1665/72 - 1665/72 simplified gives 185/8
- So, 45/2 + 45/72 = 185/8
In mixed form: 231/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/2+45/72 45/2+90/72 45/4+45/72 45/6+45/72 45/10+45/72 45/14+45/72