Add 12/40 and 81/14
1st number: 12/40, 2nd number: 5 11/14
12/40 + 81/14 is 213/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 14 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
12/40 = 12 × 7/40 × 7 = 84/280 - Likewise, for the 2nd fraction, since 14 × 20 = 280,
81/14 = 81 × 20/14 × 20 = 1620/280 - Add the two like fractions:
84/280 + 1620/280 = 84 + 1620/280 = 1704/280 - 1704/280 simplified gives 213/35
- So, 12/40 + 81/14 = 213/35
In mixed form: 63/35
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