Add 84/4 and 1/15
1st number: 21 0/4, 2nd number: 1/15
84/4 + 1/15 is 316/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 4 × 15 = 60,
84/4 = 84 × 15/4 × 15 = 1260/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
1/15 = 1 × 4/15 × 4 = 4/60 - Add the two like fractions:
1260/60 + 4/60 = 1260 + 4/60 = 1264/60 - 1264/60 simplified gives 316/15
- So, 84/4 + 1/15 = 316/15
In mixed form: 211/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/4+2/15 84/8+1/15 84/4+1/30 84/4+3/15 84/12+1/15 84/4+1/45 84/4+5/15 84/20+1/15 84/4+1/75 84/4+7/15 84/28+1/15