Add 70/12 and 70/42
1st number: 5 10/12, 2nd number: 1 28/42
70/12 + 70/42 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
70/12 = 70 × 7/12 × 7 = 490/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
70/42 = 70 × 2/42 × 2 = 140/84 - Add the two like fractions:
490/84 + 140/84 = 490 + 140/84 = 630/84 - 630/84 simplified gives 15/2
- So, 70/12 + 70/42 = 15/2
In mixed form: 71/2
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