Add 3/84 and 35/10
1st number: 3/84, 2nd number: 3 5/10
3/84 + 35/10 is 99/28.
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,
3/84 = 3 × 5/84 × 5 = 15/420 - Likewise, for the 2nd fraction, since 10 × 42 = 420,
35/10 = 35 × 42/10 × 42 = 1470/420 - Add the two like fractions:
15/420 + 1470/420 = 15 + 1470/420 = 1485/420 - 1485/420 simplified gives 99/28
- So, 3/84 + 35/10 = 99/28
In mixed form: 315/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/84+35/10 3/84+70/10 3/84+35/20 9/84+35/10 3/84+35/30 15/84+35/10 3/84+35/50 21/84+35/10 3/84+35/70