Add 36/84 and 6/40
36/84 + 6/40 is 81/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 84 × 10 = 840,
36/84 = 36 × 10/84 × 10 = 360/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
6/40 = 6 × 21/40 × 21 = 126/840 - Add the two like fractions:
360/840 + 126/840 = 360 + 126/840 = 486/840 - 486/840 simplified gives 81/140
- So, 36/84 + 6/40 = 81/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/84+6/40 36/84+12/40 36/84+6/80 36/84+18/40 36/84+30/40 36/84+42/40