Add 84/7 and 5/40
1st number: 12 0/7, 2nd number: 5/40
84/7 + 5/40 is 97/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 7 × 40 = 280,
84/7 = 84 × 40/7 × 40 = 3360/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
5/40 = 5 × 7/40 × 7 = 35/280 - Add the two like fractions:
3360/280 + 35/280 = 3360 + 35/280 = 3395/280 - 3395/280 simplified gives 97/8
- So, 84/7 + 5/40 = 97/8
In mixed form: 121/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7+10/40 84/14+5/40 84/7+5/80 84/7+15/40 84/21+5/40 84/7+25/40 84/35+5/40 84/7+35/40 84/49+5/40