Add 54/63 and 30/25
1st number: 54/63, 2nd number: 1 5/25
54/63 + 30/25 is 72/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 25 is 1575
Next, find the equivalent fraction of both fractional numbers with denominator 1575 - For the 1st fraction, since 63 × 25 = 1575,
54/63 = 54 × 25/63 × 25 = 1350/1575 - Likewise, for the 2nd fraction, since 25 × 63 = 1575,
30/25 = 30 × 63/25 × 63 = 1890/1575 - Add the two like fractions:
1350/1575 + 1890/1575 = 1350 + 1890/1575 = 3240/1575 - 3240/1575 simplified gives 72/35
- So, 54/63 + 30/25 = 72/35
In mixed form: 22/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/63+60/25 54/63+30/50 54/63+90/25 54/63+30/75