Add 36/84 and 5/40
36/84 + 5/40 is 31/56.
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,
5/40 = 5 × 21/40 × 21 = 105/840 - Add the two like fractions:
360/840 + 105/840 = 360 + 105/840 = 465/840 - 465/840 simplified gives 31/56
- So, 36/84 + 5/40 = 31/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/84+5/40 36/84+10/40 36/84+5/80 36/84+15/40 36/84+25/40 36/84+35/40