Add 72/42 and 70/84
1st number: 1 30/42, 2nd number: 70/84
72/42 + 70/84 is 107/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
72/42 = 72 × 2/42 × 2 = 144/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
70/84 = 70 × 1/84 × 1 = 70/84 - Add the two like fractions:
144/84 + 70/84 = 144 + 70/84 = 214/84 - 214/84 simplified gives 107/42
- So, 72/42 + 70/84 = 107/42
In mixed form: 223/42
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Related: 72/84+70/84