Add 8/72 and 63/20
1st number: 8/72, 2nd number: 3 3/20
8/72 + 63/20 is 587/180.
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,
8/72 = 8 × 5/72 × 5 = 40/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
63/20 = 63 × 18/20 × 18 = 1134/360 - Add the two like fractions:
40/360 + 1134/360 = 40 + 1134/360 = 1174/360 - 1174/360 simplified gives 587/180
- So, 8/72 + 63/20 = 587/180
In mixed form: 347/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/72+63/20 8/72+63/40 24/72+63/20 8/72+63/60 40/72+63/20 56/72+63/20