Add 84/70 and 54/64
1st number: 1 14/70, 2nd number: 54/64
84/70 + 54/64 is 327/160.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 64 is 2240
Next, find the equivalent fraction of both fractional numbers with denominator 2240 - For the 1st fraction, since 70 × 32 = 2240,
84/70 = 84 × 32/70 × 32 = 2688/2240 - Likewise, for the 2nd fraction, since 64 × 35 = 2240,
54/64 = 54 × 35/64 × 35 = 1890/2240 - Add the two like fractions:
2688/2240 + 1890/2240 = 2688 + 1890/2240 = 4578/2240 - 4578/2240 simplified gives 327/160
- So, 84/70 + 54/64 = 327/160
In mixed form: 27/160
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: