Add 40/84 and 14/28
40/84 + 14/28 is 41/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
40/84 = 40 × 1/84 × 1 = 40/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
14/28 = 14 × 3/28 × 3 = 42/84 - Add the two like fractions:
40/84 + 42/84 = 40 + 42/84 = 82/84 - 82/84 simplified gives 41/42
- So, 40/84 + 14/28 = 41/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/84+14/28 40/84+14/56 40/84+42/28 40/84+14/84 40/84+70/28 40/84+98/28