Add 20/84 and 32/10
1st number: 20/84, 2nd number: 3 2/10
20/84 + 32/10 is 361/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 10 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
20/84 = 20 × 5/84 × 5 = 100/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
32/10 = 32 × 42/10 × 42 = 1344/420 - Add the two like fractions:
100/420 + 1344/420 = 100 + 1344/420 = 1444/420 - 1444/420 simplified gives 361/105
- So, 20/84 + 32/10 = 361/105
In mixed form: 346/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/84+32/10 20/84+64/10 20/84+32/20 60/84+32/10 20/84+96/10 20/84+32/30 20/84+32/50 20/84+32/70