Answers

Add 54/63 and 84/25

1^st number: 54/63, 2^nd number: 3 9/25

54/63 + 84/25 is 738/175.

Steps for adding fractions

1. 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
2. For the 1st fraction, since 63 × 25 = 1575,
   54/63 = 54 × 25/63 × 25 = 1350/1575
3. Likewise, for the 2nd fraction, since 25 × 63 = 1575,
   84/25 = 84 × 63/25 × 63 = 5292/1575
4. Add the two like fractions:
   1350/1575 + 5292/1575 = 1350 + 5292/1575 = 6642/1575
5. 6642/1575 simplified gives 738/175
6. So, 54/63 + 84/25 = 738/175
   In mixed form: 438/175

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁵⁴/₆₃+⁸⁴/₅₀ ⁵⁴/₆₃+⁸⁴/₇₅

Add Fractions Calculator