Add 70/54 and 40/84
1st number: 1 16/54, 2nd number: 40/84
70/54 + 40/84 is 335/189.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 84 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 54 × 14 = 756,
70/54 = 70 × 14/54 × 14 = 980/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
40/84 = 40 × 9/84 × 9 = 360/756 - Add the two like fractions:
980/756 + 360/756 = 980 + 360/756 = 1340/756 - 1340/756 simplified gives 335/189
- So, 70/54 + 40/84 = 335/189
In mixed form: 1146/189
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/54+80/84