Add 1/72 and 75/40
1st number: 1/72, 2nd number: 1 35/40
1/72 + 75/40 is 17/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
1/72 = 1 × 5/72 × 5 = 5/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
75/40 = 75 × 9/40 × 9 = 675/360 - Add the two like fractions:
5/360 + 675/360 = 5 + 675/360 = 680/360 - 680/360 simplified gives 17/9
- So, 1/72 + 75/40 = 17/9
In mixed form: 18/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/72+75/40 1/72+75/80 3/72+75/40 5/72+75/40 7/72+75/40