Add 84/63 and 42/48
1st number: 1 21/63, 2nd number: 42/48
84/63 + 42/48 is 53/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 48 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 63 × 16 = 1008,
84/63 = 84 × 16/63 × 16 = 1344/1008 - Likewise, for the 2nd fraction, since 48 × 21 = 1008,
42/48 = 42 × 21/48 × 21 = 882/1008 - Add the two like fractions:
1344/1008 + 882/1008 = 1344 + 882/1008 = 2226/1008 - 2226/1008 simplified gives 53/24
- So, 84/63 + 42/48 = 53/24
In mixed form: 25/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/63+84/48 84/63+42/96