Add 84/8 and 1/40
1st number: 10 4/8, 2nd number: 1/40
84/8 + 1/40 is 421/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
84/8 = 84 × 5/8 × 5 = 420/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
1/40 = 1 × 1/40 × 1 = 1/40 - Add the two like fractions:
420/40 + 1/40 = 420 + 1/40 = 421/40 - So, 84/8 + 1/40 = 421/40
In mixed form: 1021/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8+2/40 84/16+1/40 84/8+1/80 84/8+3/40 84/24+1/40 84/8+5/40 84/40+1/40 84/8+7/40 84/56+1/40