Add 7/35 and 81/12
1st number: 7/35, 2nd number: 6 9/12
7/35 + 81/12 is 139/20.
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,
7/35 = 7 × 12/35 × 12 = 84/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
81/12 = 81 × 35/12 × 35 = 2835/420 - Add the two like fractions:
84/420 + 2835/420 = 84 + 2835/420 = 2919/420 - 2919/420 simplified gives 139/20
- So, 7/35 + 81/12 = 139/20
In mixed form: 619/20
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