Add 84/70 and 54/48
1st number: 1 14/70, 2nd number: 1 6/48
84/70 + 54/48 is 93/40.
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,
54/48 = 54 × 35/48 × 35 = 1890/1680 - Add the two like fractions:
2016/1680 + 1890/1680 = 2016 + 1890/1680 = 3906/1680 - 3906/1680 simplified gives 93/40
- So, 84/70 + 54/48 = 93/40
In mixed form: 213/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/70+54/96