Add 3/72 and 48/20
1st number: 3/72, 2nd number: 2 8/20
3/72 + 48/20 is 293/120.
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,
3/72 = 3 × 5/72 × 5 = 15/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
48/20 = 48 × 18/20 × 18 = 864/360 - Add the two like fractions:
15/360 + 864/360 = 15 + 864/360 = 879/360 - 879/360 simplified gives 293/120
- So, 3/72 + 48/20 = 293/120
In mixed form: 253/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/72+48/20 3/72+96/20 3/72+48/40 9/72+48/20 3/72+48/60 15/72+48/20 21/72+48/20