Add 84/12 and 63/40
1st number: 7 0/12, 2nd number: 1 23/40
84/12 + 63/40 is 343/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
84/12 = 84 × 10/12 × 10 = 840/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
63/40 = 63 × 3/40 × 3 = 189/120 - Add the two like fractions:
840/120 + 189/120 = 840 + 189/120 = 1029/120 - 1029/120 simplified gives 343/40
- So, 84/12 + 63/40 = 343/40
In mixed form: 823/40
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