Add 72/6 and 42/40
1st number: 12 0/6, 2nd number: 1 2/40
72/6 + 42/40 is 261/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 6 × 20 = 120,
72/6 = 72 × 20/6 × 20 = 1440/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
42/40 = 42 × 3/40 × 3 = 126/120 - Add the two like fractions:
1440/120 + 126/120 = 1440 + 126/120 = 1566/120 - 1566/120 simplified gives 261/20
- So, 72/6 + 42/40 = 261/20
In mixed form: 131/20
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