Add 8/5 and 63/72
1st number: 1 3/5, 2nd number: 63/72
8/5 + 63/72 is 99/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 5 × 72 = 360,
8/5 = 8 × 72/5 × 72 = 576/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
63/72 = 63 × 5/72 × 5 = 315/360 - Add the two like fractions:
576/360 + 315/360 = 576 + 315/360 = 891/360 - 891/360 simplified gives 99/40
- So, 8/5 + 63/72 = 99/40
In mixed form: 219/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/5+63/72 8/10+63/72 24/5+63/72 8/15+63/72 40/5+63/72 8/25+63/72 56/5+63/72 8/35+63/72