Add 72/40 and 25/50
1st number: 1 32/40, 2nd number: 25/50
72/40 + 25/50 is 23/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
72/40 = 72 × 5/40 × 5 = 360/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
25/50 = 25 × 4/50 × 4 = 100/200 - Add the two like fractions:
360/200 + 100/200 = 360 + 100/200 = 460/200 - 460/200 simplified gives 23/10
- So, 72/40 + 25/50 = 23/10
In mixed form: 23/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/80+25/50 72/40+75/50