Add 7/72 and 54/20
1st number: 7/72, 2nd number: 2 14/20
7/72 + 54/20 is 1007/360.
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,
7/72 = 7 × 5/72 × 5 = 35/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
54/20 = 54 × 18/20 × 18 = 972/360 - Add the two like fractions:
35/360 + 972/360 = 35 + 972/360 = 1007/360 - So, 7/72 + 54/20 = 1007/360
In mixed form: 2287/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/72+54/20 7/72+54/40 21/72+54/20 7/72+54/60 35/72+54/20 49/72+54/20