Add 3/90 and 40/49
3/90 + 40/49 is 1249/1470.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 49 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
3/90 = 3 × 49/90 × 49 = 147/4410 - Likewise, for the 2nd fraction, since 49 × 90 = 4410,
40/49 = 40 × 90/49 × 90 = 3600/4410 - Add the two like fractions:
147/4410 + 3600/4410 = 147 + 3600/4410 = 3747/4410 - 3747/4410 simplified gives 1249/1470
- So, 3/90 + 40/49 = 1249/1470
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/90+40/49 3/90+80/49 3/90+40/98 9/90+40/49 15/90+40/49 21/90+40/49