Add 16/40 and 4/45
16/40 + 4/45 is 22/45.
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,
4/45 = 4 × 8/45 × 8 = 32/360 - Add the two like fractions:
144/360 + 32/360 = 144 + 32/360 = 176/360 - 176/360 simplified gives 22/45
- So, 16/40 + 4/45 = 22/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/40+4/45 16/40+8/45 16/80+4/45 16/40+4/90 48/40+4/45 16/40+12/45 80/40+4/45 16/40+20/45 16/40+28/45