Add 1/40 and 84/7
1st number: 1/40, 2nd number: 12 0/7
1/40 + 84/7 is 481/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 7 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
1/40 = 1 × 7/40 × 7 = 7/280 - Likewise, for the 2nd fraction, since 7 × 40 = 280,
84/7 = 84 × 40/7 × 40 = 3360/280 - Add the two like fractions:
7/280 + 3360/280 = 7 + 3360/280 = 3367/280 - 3367/280 simplified gives 481/40
- So, 1/40 + 84/7 = 481/40
In mixed form: 121/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/40+84/7 1/80+84/7 1/40+84/14 3/40+84/7 1/40+84/21 5/40+84/7 1/40+84/35 7/40+84/7 1/40+84/49