Add 75/72 and 30/45
1st number: 1 3/72, 2nd number: 30/45
75/72 + 30/45 is 41/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
75/72 = 75 × 5/72 × 5 = 375/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
30/45 = 30 × 8/45 × 8 = 240/360 - Add the two like fractions:
375/360 + 240/360 = 375 + 240/360 = 615/360 - 615/360 simplified gives 41/24
- So, 75/72 + 30/45 = 41/24
In mixed form: 117/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/72+60/45 75/72+30/90 75/72+90/45