Add 63/16 and 20/30
1st number: 3 15/16, 2nd number: 20/30
63/16 + 20/30 is 221/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
63/16 = 63 × 15/16 × 15 = 945/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
20/30 = 20 × 8/30 × 8 = 160/240 - Add the two like fractions:
945/240 + 160/240 = 945 + 160/240 = 1105/240 - 1105/240 simplified gives 221/48
- So, 63/16 + 20/30 = 221/48
In mixed form: 429/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/16+40/30 63/32+20/30 63/16+20/60 63/16+60/30 63/48+20/30 63/16+20/90 63/80+20/30