Add 84/40 and 20/70
1st number: 2 4/40, 2nd number: 20/70
84/40 + 20/70 is 167/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
84/40 = 84 × 7/40 × 7 = 588/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
20/70 = 20 × 4/70 × 4 = 80/280 - Add the two like fractions:
588/280 + 80/280 = 588 + 80/280 = 668/280 - 668/280 simplified gives 167/70
- So, 84/40 + 20/70 = 167/70
In mixed form: 227/70
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