Add 63/16 and 9/45
1st number: 3 15/16, 2nd number: 9/45
63/16 + 9/45 is 331/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
63/16 = 63 × 45/16 × 45 = 2835/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
9/45 = 9 × 16/45 × 16 = 144/720 - Add the two like fractions:
2835/720 + 144/720 = 2835 + 144/720 = 2979/720 - 2979/720 simplified gives 331/80
- So, 63/16 + 9/45 = 331/80
In mixed form: 411/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/16+18/45 63/32+9/45 63/16+9/90 63/16+27/45 63/48+9/45 63/80+9/45 63/16+63/45