Add 35/54 and 72/84
35/54 + 72/84 is 569/378.
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,
35/54 = 35 × 14/54 × 14 = 490/756 - Likewise, for the 2nd fraction, since 84 × 9 = 756,
72/84 = 72 × 9/84 × 9 = 648/756 - Add the two like fractions:
490/756 + 648/756 = 490 + 648/756 = 1138/756 - 1138/756 simplified gives 569/378
- So, 35/54 + 72/84 = 569/378
In mixed form: 1191/378
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/54+72/84