Add 84/40 and 7/84
1st number: 2 4/40, 2nd number: 7/84
84/40 + 7/84 is 131/60.
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,
84/40 = 84 × 21/40 × 21 = 1764/840 - Likewise, for the 2nd fraction, since 84 × 10 = 840,
7/84 = 7 × 10/84 × 10 = 70/840 - Add the two like fractions:
1764/840 + 70/840 = 1764 + 70/840 = 1834/840 - 1834/840 simplified gives 131/60
- So, 84/40 + 7/84 = 131/60
In mixed form: 211/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/40+14/84 84/80+7/84 84/40+21/84 84/40+35/84 84/40+49/84