Add 72/60 and 45/50
1st number: 1 12/60, 2nd number: 45/50
72/60 + 45/50 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 50 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 60 × 5 = 300,
72/60 = 72 × 5/60 × 5 = 360/300 - Likewise, for the 2nd fraction, since 50 × 6 = 300,
45/50 = 45 × 6/50 × 6 = 270/300 - Add the two like fractions:
360/300 + 270/300 = 360 + 270/300 = 630/300 - 630/300 simplified gives 21/10
- So, 72/60 + 45/50 = 21/10
In mixed form: 21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/60+90/50