Add 84/28 and 12/35
1st number: 3 0/28, 2nd number: 12/35
84/28 + 12/35 is 117/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
84/28 = 84 × 5/28 × 5 = 420/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
12/35 = 12 × 4/35 × 4 = 48/140 - Add the two like fractions:
420/140 + 48/140 = 420 + 48/140 = 468/140 - 468/140 simplified gives 117/35
- So, 84/28 + 12/35 = 117/35
In mixed form: 312/35
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