Add 72/48 and 5/20
1st number: 1 24/48, 2nd number: 5/20
72/48 + 5/20 is 7/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 20 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
72/48 = 72 × 5/48 × 5 = 360/240 - Likewise, for the 2nd fraction, since 20 × 12 = 240,
5/20 = 5 × 12/20 × 12 = 60/240 - Add the two like fractions:
360/240 + 60/240 = 360 + 60/240 = 420/240 - 420/240 simplified gives 7/4
- So, 72/48 + 5/20 = 7/4
In mixed form: 13/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/48+10/20 72/96+5/20 72/48+5/40 72/48+15/20 72/48+5/60 72/48+25/20 72/48+35/20