Add 7/84 and 36/40
7/84 + 36/40 is 59/60.
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,
7/84 = 7 × 10/84 × 10 = 70/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
36/40 = 36 × 21/40 × 21 = 756/840 - Add the two like fractions:
70/840 + 756/840 = 70 + 756/840 = 826/840 - 826/840 simplified gives 59/60
- So, 7/84 + 36/40 = 59/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/84+36/40 7/84+72/40 7/84+36/80 21/84+36/40 35/84+36/40 49/84+36/40