Add 75/72 and 45/8
1st number: 1 3/72, 2nd number: 5 5/8
75/72 + 45/8 is 20/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
75/72 = 75 × 1/72 × 1 = 75/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
45/8 = 45 × 9/8 × 9 = 405/72 - Add the two like fractions:
75/72 + 405/72 = 75 + 405/72 = 480/72 - 480/72 simplified gives 20/3
- So, 75/72 + 45/8 = 20/3
In mixed form: 62/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/72+90/8 75/72+45/16 75/72+45/24 75/72+45/40 75/72+45/56