Add 72/75 and 10/40
72/75 + 10/40 is 121/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
72/75 = 72 × 8/75 × 8 = 576/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
10/40 = 10 × 15/40 × 15 = 150/600 - Add the two like fractions:
576/600 + 150/600 = 576 + 150/600 = 726/600 - 726/600 simplified gives 121/100
- So, 72/75 + 10/40 = 121/100
In mixed form: 121/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/75+20/40 72/75+10/80 72/75+30/40 72/75+50/40 72/75+70/40