Add 5/72 and 63/40
1st number: 5/72, 2nd number: 1 23/40
5/72 + 63/40 is 74/45.
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,
5/72 = 5 × 5/72 × 5 = 25/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
63/40 = 63 × 9/40 × 9 = 567/360 - Add the two like fractions:
25/360 + 567/360 = 25 + 567/360 = 592/360 - 592/360 simplified gives 74/45
- So, 5/72 + 63/40 = 74/45
In mixed form: 129/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/72+63/40 5/72+63/80 15/72+63/40 25/72+63/40 35/72+63/40