Add 40/12 and 21/72
1st number: 3 4/12, 2nd number: 21/72
40/12 + 21/72 is 29/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 12 × 6 = 72,
40/12 = 40 × 6/12 × 6 = 240/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
21/72 = 21 × 1/72 × 1 = 21/72 - Add the two like fractions:
240/72 + 21/72 = 240 + 21/72 = 261/72 - 261/72 simplified gives 29/8
- So, 40/12 + 21/72 = 29/8
In mixed form: 35/8
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