Add 42/10 and 2/84
1st number: 4 2/10, 2nd number: 2/84
42/10 + 2/84 is 887/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 10 × 42 = 420,
42/10 = 42 × 42/10 × 42 = 1764/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
2/84 = 2 × 5/84 × 5 = 10/420 - Add the two like fractions:
1764/420 + 10/420 = 1764 + 10/420 = 1774/420 - 1774/420 simplified gives 887/210
- So, 42/10 + 2/84 = 887/210
In mixed form: 447/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/10+2/84 42/10+4/84 42/20+2/84 42/10+6/84 42/30+2/84 42/10+10/84 42/50+2/84 42/10+14/84 42/70+2/84