Add 70/60 and 4/84
1st number: 1 10/60, 2nd number: 4/84
70/60 + 4/84 is 17/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
70/60 = 70 × 7/60 × 7 = 490/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
4/84 = 4 × 5/84 × 5 = 20/420 - Add the two like fractions:
490/420 + 20/420 = 490 + 20/420 = 510/420 - 510/420 simplified gives 17/14
- So, 70/60 + 4/84 = 17/14
In mixed form: 13/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/60+8/84 70/60+12/84 70/60+20/84 70/60+28/84