Add 42/20 and 5/84
1st number: 2 2/20, 2nd number: 5/84
42/20 + 5/84 is 907/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 20 × 21 = 420,
42/20 = 42 × 21/20 × 21 = 882/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
5/84 = 5 × 5/84 × 5 = 25/420 - Add the two like fractions:
882/420 + 25/420 = 882 + 25/420 = 907/420 - So, 42/20 + 5/84 = 907/420
In mixed form: 267/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/20+5/84 42/20+10/84 42/40+5/84 42/20+15/84 42/60+5/84 42/20+25/84 42/20+35/84