Add 72/20 and 10/25
1st number: 3 12/20, 2nd number: 10/25
72/20 + 10/25 is 4/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
72/20 = 72 × 5/20 × 5 = 360/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
10/25 = 10 × 4/25 × 4 = 40/100 - Add the two like fractions:
360/100 + 40/100 = 360 + 40/100 = 400/100 - 400/100 simplified gives 4/1
- So, 72/20 + 10/25 = 4/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/20+20/25 72/40+10/25 72/20+10/50 72/20+30/25 72/60+10/25 72/20+10/75 72/20+50/25 72/20+70/25