Add 70/84 and 1/4
70/84 + 1/4 is 13/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
70/84 = 70 × 1/84 × 1 = 70/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
1/4 = 1 × 21/4 × 21 = 21/84 - Add the two like fractions:
70/84 + 21/84 = 70 + 21/84 = 91/84 - 91/84 simplified gives 13/12
- So, 70/84 + 1/4 = 13/12
In mixed form: 11/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/84+2/4 70/84+1/8 70/84+3/4 70/84+1/12 70/84+5/4 70/84+1/20 70/84+7/4 70/84+1/28