Add 25/4 and 70/84
1st number: 6 1/4, 2nd number: 70/84
25/4 + 70/84 is 85/12.
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,
25/4 = 25 × 21/4 × 21 = 525/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
70/84 = 70 × 1/84 × 1 = 70/84 - Add the two like fractions:
525/84 + 70/84 = 525 + 70/84 = 595/84 - 595/84 simplified gives 85/12
- So, 25/4 + 70/84 = 85/12
In mixed form: 71/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4+70/84 25/8+70/84 75/4+70/84 25/12+70/84 25/20+70/84 25/28+70/84