Add 30/48 and 40/63
30/48 + 40/63 is 635/504.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 63 is 1008
Next, find the equivalent fraction of both fractional numbers with denominator 1008 - For the 1st fraction, since 48 × 21 = 1008,
30/48 = 30 × 21/48 × 21 = 630/1008 - Likewise, for the 2nd fraction, since 63 × 16 = 1008,
40/63 = 40 × 16/63 × 16 = 640/1008 - Add the two like fractions:
630/1008 + 640/1008 = 630 + 640/1008 = 1270/1008 - 1270/1008 simplified gives 635/504
- So, 30/48 + 40/63 = 635/504
In mixed form: 1131/504
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/48+40/63 30/48+80/63 30/96+40/63 90/48+40/63