Answers

Add 60/40 and 72/75

1^st number: 1 20/40, 2^nd number: 72/75

60/40 + 72/75 is 123/50.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 75 is 600
   
   Next, find the equivalent fraction of both fractional numbers with denominator 600
2. For the 1st fraction, since 40 × 15 = 600,
   60/40 = 60 × 15/40 × 15 = 900/600
3. Likewise, for the 2nd fraction, since 75 × 8 = 600,
   72/75 = 72 × 8/75 × 8 = 576/600
4. Add the two like fractions:
   900/600 + 576/600 = 900 + 576/600 = 1476/600
5. 1476/600 simplified gives 123/50
6. So, 60/40 + 72/75 = 123/50
   In mixed form: 223/50

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁶⁰/₈₀+⁷²/₇₅

Add Fractions Calculator