Add 42/35 and 84/12
1st number: 1 7/35, 2nd number: 7 0/12
42/35 + 84/12 is 41/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
42/35 = 42 × 12/35 × 12 = 504/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
84/12 = 84 × 35/12 × 35 = 2940/420 - Add the two like fractions:
504/420 + 2940/420 = 504 + 2940/420 = 3444/420 - 3444/420 simplified gives 41/5
- So, 42/35 + 84/12 = 41/5
In mixed form: 81/5
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