Add 45/6 and 45/72
1st number: 7 3/6, 2nd number: 45/72
45/6 + 45/72 is 65/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 6 × 12 = 72,
45/6 = 45 × 12/6 × 12 = 540/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
45/72 = 45 × 1/72 × 1 = 45/72 - Add the two like fractions:
540/72 + 45/72 = 540 + 45/72 = 585/72 - 585/72 simplified gives 65/8
- So, 45/6 + 45/72 = 65/8
In mixed form: 81/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/6+45/72 45/6+90/72 45/12+45/72 45/18+45/72 45/30+45/72 45/42+45/72