Add 45/72 and 12/6
1st number: 45/72, 2nd number: 2 0/6
45/72 + 12/6 is 21/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 6 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 72 × 1 = 72,
45/72 = 45 × 1/72 × 1 = 45/72 - Likewise, for the 2nd fraction, since 6 × 12 = 72,
12/6 = 12 × 12/6 × 12 = 144/72 - Add the two like fractions:
45/72 + 144/72 = 45 + 144/72 = 189/72 - 189/72 simplified gives 21/8
- So, 45/72 + 12/6 = 21/8
In mixed form: 25/8
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