Add 25/20 and 1/84
1st number: 1 5/20, 2nd number: 1/84
25/20 + 1/84 is 53/42.
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,
25/20 = 25 × 21/20 × 21 = 525/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
1/84 = 1 × 5/84 × 5 = 5/420 - Add the two like fractions:
525/420 + 5/420 = 525 + 5/420 = 530/420 - 530/420 simplified gives 53/42
- So, 25/20 + 1/84 = 53/42
In mixed form: 111/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/20+1/84 25/20+2/84 25/40+1/84 75/20+1/84 25/20+3/84 25/60+1/84 25/20+5/84 25/20+7/84