Add 84/56 and 84/20
1st number: 1 28/56, 2nd number: 4 4/20
84/56 + 84/20 is 57/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
84/56 = 84 × 5/56 × 5 = 420/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
84/20 = 84 × 14/20 × 14 = 1176/280 - Add the two like fractions:
420/280 + 1176/280 = 420 + 1176/280 = 1596/280 - 1596/280 simplified gives 57/10
- So, 84/56 + 84/20 = 57/10
In mixed form: 57/10
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