Add 5/40 and 84/12
1st number: 5/40, 2nd number: 7 0/12
5/40 + 84/12 is 57/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
5/40 = 5 × 3/40 × 3 = 15/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
84/12 = 84 × 10/12 × 10 = 840/120 - Add the two like fractions:
15/120 + 840/120 = 15 + 840/120 = 855/120 - 855/120 simplified gives 57/8
- So, 5/40 + 84/12 = 57/8
In mixed form: 71/8
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