Add 54/63 and 60/15
1st number: 54/63, 2nd number: 4 0/15
54/63 + 60/15 is 34/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 15 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 63 × 5 = 315,
54/63 = 54 × 5/63 × 5 = 270/315 - Likewise, for the 2nd fraction, since 15 × 21 = 315,
60/15 = 60 × 21/15 × 21 = 1260/315 - Add the two like fractions:
270/315 + 1260/315 = 270 + 1260/315 = 1530/315 - 1530/315 simplified gives 34/7
- So, 54/63 + 60/15 = 34/7
In mixed form: 46/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63+60/30 54/63+60/45 54/63+60/75