Add 7/72 and 14/20
7/72 + 14/20 is 287/360.
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,
14/20 = 14 × 18/20 × 18 = 252/360 - Add the two like fractions:
35/360 + 252/360 = 35 + 252/360 = 287/360 - So, 7/72 + 14/20 = 287/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/72+14/20 7/72+28/20 7/72+14/40 21/72+14/20 7/72+42/20 7/72+14/60 35/72+14/20 7/72+70/20 49/72+14/20 7/72+98/20