Add 4/72 and 63/40
1st number: 4/72, 2nd number: 1 23/40
4/72 + 63/40 is 587/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
4/72 = 4 × 5/72 × 5 = 20/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
63/40 = 63 × 9/40 × 9 = 567/360 - Add the two like fractions:
20/360 + 567/360 = 20 + 567/360 = 587/360 - So, 4/72 + 63/40 = 587/360
In mixed form: 1227/360
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/72+63/40 4/72+63/80 12/72+63/40 20/72+63/40 28/72+63/40