Add 84/70 and 36/48
1st number: 1 14/70, 2nd number: 36/48
84/70 + 36/48 is 39/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 48 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 70 × 24 = 1680,
84/70 = 84 × 24/70 × 24 = 2016/1680 - Likewise, for the 2nd fraction, since 48 × 35 = 1680,
36/48 = 36 × 35/48 × 35 = 1260/1680 - Add the two like fractions:
2016/1680 + 1260/1680 = 2016 + 1260/1680 = 3276/1680 - 3276/1680 simplified gives 39/20
- So, 84/70 + 36/48 = 39/20
In mixed form: 119/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+72/48 84/70+36/96