Add 40/20 and 7/12
1st number: 2 0/20, 2nd number: 7/12
40/20 + 7/12 is 31/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
40/20 = 40 × 3/20 × 3 = 120/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
7/12 = 7 × 5/12 × 5 = 35/60 - Add the two like fractions:
120/60 + 35/60 = 120 + 35/60 = 155/60 - 155/60 simplified gives 31/12
- So, 40/20 + 7/12 = 31/12
In mixed form: 27/12
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