Add 24/72 and 56/20
1st number: 24/72, 2nd number: 2 16/20
24/72 + 56/20 is 47/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 20 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
24/72 = 24 × 5/72 × 5 = 120/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
56/20 = 56 × 18/20 × 18 = 1008/360 - Add the two like fractions:
120/360 + 1008/360 = 120 + 1008/360 = 1128/360 - 1128/360 simplified gives 47/15
- So, 24/72 + 56/20 = 47/15
In mixed form: 32/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/72+56/20 24/72+56/40 24/72+56/60