Add 84/8 and 56/20
1st number: 10 4/8, 2nd number: 2 16/20
84/8 + 56/20 is 133/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
84/8 = 84 × 5/8 × 5 = 420/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
56/20 = 56 × 2/20 × 2 = 112/40 - Add the two like fractions:
420/40 + 112/40 = 420 + 112/40 = 532/40 - 532/40 simplified gives 133/10
- So, 84/8 + 56/20 = 133/10
In mixed form: 133/10
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