Add 72/12 and 42/35
1st number: 6 0/12, 2nd number: 1 7/35
72/12 + 42/35 is 36/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
72/12 = 72 × 35/12 × 35 = 2520/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
42/35 = 42 × 12/35 × 12 = 504/420 - Add the two like fractions:
2520/420 + 504/420 = 2520 + 504/420 = 3024/420 - 3024/420 simplified gives 36/5
- So, 72/12 + 42/35 = 36/5
In mixed form: 71/5
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