Add 63/60 and 54/18
1st number: 1 3/60, 2nd number: 3 0/18
63/60 + 54/18 is 81/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
63/60 = 63 × 3/60 × 3 = 189/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
54/18 = 54 × 10/18 × 10 = 540/180 - Add the two like fractions:
189/180 + 540/180 = 189 + 540/180 = 729/180 - 729/180 simplified gives 81/20
- So, 63/60 + 54/18 = 81/20
In mixed form: 41/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/60+54/36 63/60+54/90