Add 70/84 and 70/80
70/84 + 70/80 is 41/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 80 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 84 × 20 = 1680,
70/84 = 70 × 20/84 × 20 = 1400/1680 - Likewise, for the 2nd fraction, since 80 × 21 = 1680,
70/80 = 70 × 21/80 × 21 = 1470/1680 - Add the two like fractions:
1400/1680 + 1470/1680 = 1400 + 1470/1680 = 2870/1680 - 2870/1680 simplified gives 41/24
- So, 70/84 + 70/80 = 41/24
In mixed form: 117/24
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