Add 40/18 and 16/40
1st number: 2 4/18, 2nd number: 16/40
40/18 + 16/40 is 118/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 18 × 20 = 360,
40/18 = 40 × 20/18 × 20 = 800/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
16/40 = 16 × 9/40 × 9 = 144/360 - Add the two like fractions:
800/360 + 144/360 = 800 + 144/360 = 944/360 - 944/360 simplified gives 118/45
- So, 40/18 + 16/40 = 118/45
In mixed form: 228/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+16/40 40/18+32/40 40/36+16/40 40/18+16/80 40/18+48/40 40/54+16/40 40/18+80/40 40/90+16/40