Add 7/4 and 3/84
1st number: 1 3/4, 2nd number: 3/84
7/4 + 3/84 is 25/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
7/4 = 7 × 21/4 × 21 = 147/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
3/84 = 3 × 1/84 × 1 = 3/84 - Add the two like fractions:
147/84 + 3/84 = 147 + 3/84 = 150/84 - 150/84 simplified gives 25/14
- So, 7/4 + 3/84 = 25/14
In mixed form: 111/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/4+3/84 7/4+6/84 7/8+3/84 21/4+3/84 7/4+9/84 7/12+3/84 35/4+3/84 7/4+15/84 7/20+3/84 49/4+3/84 7/4+21/84 7/28+3/84