Add 70/72 and 42/12
1st number: 70/72, 2nd number: 3 6/12
70/72 + 42/12 is 161/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 12 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
70/72 = 70 × 1/72 × 1 = 70/72 - Likewise, for the 2nd fraction, since 12 × 6 = 72,
42/12 = 42 × 6/12 × 6 = 252/72 - Add the two like fractions:
70/72 + 252/72 = 70 + 252/72 = 322/72 - 322/72 simplified gives 161/36
- So, 70/72 + 42/12 = 161/36
In mixed form: 417/36
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