Add 4/84 and 40/49
4/84 + 40/49 is 127/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 49 is 588
Next, find the equivalent fraction of both fractional numbers with denominator 588 - For the 1st fraction, since 84 × 7 = 588,
4/84 = 4 × 7/84 × 7 = 28/588 - Likewise, for the 2nd fraction, since 49 × 12 = 588,
40/49 = 40 × 12/49 × 12 = 480/588 - Add the two like fractions:
28/588 + 480/588 = 28 + 480/588 = 508/588 - 508/588 simplified gives 127/147
- So, 4/84 + 40/49 = 127/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/84+40/49 4/84+80/49 4/84+40/98 12/84+40/49 20/84+40/49 28/84+40/49