Add 36/40 and 49/84
36/40 + 49/84 is 89/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 84 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 40 × 21 = 840,
36/40 = 36 × 21/40 × 21 = 756/840 - Likewise, for the 2nd fraction, since 84 × 10 = 840,
49/84 = 49 × 10/84 × 10 = 490/840 - Add the two like fractions:
756/840 + 490/840 = 756 + 490/840 = 1246/840 - 1246/840 simplified gives 89/60
- So, 36/40 + 49/84 = 89/60
In mixed form: 129/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/40+49/84 36/40+98/84 36/80+49/84