Add 16/84 and 18/90
16/84 + 18/90 is 41/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
16/84 = 16 × 15/84 × 15 = 240/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
18/90 = 18 × 14/90 × 14 = 252/1260 - Add the two like fractions:
240/1260 + 252/1260 = 240 + 252/1260 = 492/1260 - 492/1260 simplified gives 41/105
- So, 16/84 + 18/90 = 41/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/84+18/90 16/84+36/90 48/84+18/90 16/84+54/90 80/84+18/90