Add 40/18 and 90/49
1st number: 2 4/18, 2nd number: 1 41/49
40/18 + 90/49 is 1790/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 49 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 18 × 49 = 882,
40/18 = 40 × 49/18 × 49 = 1960/882 - Likewise, for the 2nd fraction, since 49 × 18 = 882,
90/49 = 90 × 18/49 × 18 = 1620/882 - Add the two like fractions:
1960/882 + 1620/882 = 1960 + 1620/882 = 3580/882 - 3580/882 simplified gives 1790/441
- So, 40/18 + 90/49 = 1790/441
In mixed form: 426/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+90/49 40/36+90/49 40/18+90/98 40/54+90/49 40/90+90/49