Add 18/32 and 4/40
18/32 + 4/40 is 53/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 40 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
18/32 = 18 × 5/32 × 5 = 90/160 - Likewise, for the 2nd fraction, since 40 × 4 = 160,
4/40 = 4 × 4/40 × 4 = 16/160 - Add the two like fractions:
90/160 + 16/160 = 90 + 16/160 = 106/160 - 106/160 simplified gives 53/80
- So, 18/32 + 4/40 = 53/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/32+4/40 18/32+8/40 18/64+4/40 18/32+4/80 54/32+4/40 18/32+12/40 18/96+4/40 90/32+4/40 18/32+20/40 18/32+28/40