Add 18/48 and 16/40
18/48 + 16/40 is 31/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 40 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 48 × 5 = 240,
18/48 = 18 × 5/48 × 5 = 90/240 - Likewise, for the 2nd fraction, since 40 × 6 = 240,
16/40 = 16 × 6/40 × 6 = 96/240 - Add the two like fractions:
90/240 + 96/240 = 90 + 96/240 = 186/240 - 186/240 simplified gives 31/40
- So, 18/48 + 16/40 = 31/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/48+16/40 18/48+32/40 18/96+16/40 18/48+16/80 54/48+16/40 18/48+48/40 90/48+16/40 18/48+80/40