Add 70/84 and 45/54
70/84 + 45/54 is 5/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 54 is 756
Next, find the equivalent fraction of both fractional numbers with denominator 756 - For the 1st fraction, since 84 × 9 = 756,
70/84 = 70 × 9/84 × 9 = 630/756 - Likewise, for the 2nd fraction, since 54 × 14 = 756,
45/54 = 45 × 14/54 × 14 = 630/756 - Add the two like fractions:
630/756 + 630/756 = 630 + 630/756 = 1260/756 - 1260/756 simplified gives 5/3
- So, 70/84 + 45/54 = 5/3
In mixed form: 12/3
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