Add 84/10 and 14/42
1st number: 8 4/10, 2nd number: 14/42
84/10 + 14/42 is 131/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
84/10 = 84 × 21/10 × 21 = 1764/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
14/42 = 14 × 5/42 × 5 = 70/210 - Add the two like fractions:
1764/210 + 70/210 = 1764 + 70/210 = 1834/210 - 1834/210 simplified gives 131/15
- So, 84/10 + 14/42 = 131/15
In mixed form: 811/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+28/42 84/20+14/42 84/10+14/84 84/30+14/42 84/10+70/42 84/50+14/42 84/10+98/42 84/70+14/42