Add 63/15 and 54/80
1st number: 4 3/15, 2nd number: 54/80
63/15 + 54/80 is 39/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
63/15 = 63 × 16/15 × 16 = 1008/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
54/80 = 54 × 3/80 × 3 = 162/240 - Add the two like fractions:
1008/240 + 162/240 = 1008 + 162/240 = 1170/240 - 1170/240 simplified gives 39/8
- So, 63/15 + 54/80 = 39/8
In mixed form: 47/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/30+54/80 63/45+54/80 63/75+54/80