Add 16/40 and 63/45
1st number: 16/40, 2nd number: 1 18/45
16/40 + 63/45 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
16/40 = 16 × 9/40 × 9 = 144/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
63/45 = 63 × 8/45 × 8 = 504/360 - Add the two like fractions:
144/360 + 504/360 = 144 + 504/360 = 648/360 - 648/360 simplified gives 9/5
- So, 16/40 + 63/45 = 9/5
In mixed form: 14/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/40+63/45 16/80+63/45 16/40+63/90 48/40+63/45 80/40+63/45