Add 84/56 and 12/70
1st number: 1 28/56, 2nd number: 12/70
84/56 + 12/70 is 117/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 70 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 70 × 4 = 280,
12/70 = 12 × 4/70 × 4 = 48/280 - Add the two like fractions:
420/280 + 48/280 = 420 + 48/280 = 468/280 - 468/280 simplified gives 117/70
- So, 84/56 + 12/70 = 117/70
In mixed form: 147/70
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