Add 84/70 and 18/8
1st number: 1 14/70, 2nd number: 2 2/8
84/70 + 18/8 is 69/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
84/70 = 84 × 4/70 × 4 = 336/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
18/8 = 18 × 35/8 × 35 = 630/280 - Add the two like fractions:
336/280 + 630/280 = 336 + 630/280 = 966/280 - 966/280 simplified gives 69/20
- So, 84/70 + 18/8 = 69/20
In mixed form: 39/20
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