Add 8/45 and 72/12
1st number: 8/45, 2nd number: 6 0/12
8/45 + 72/12 is 278/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
8/45 = 8 × 4/45 × 4 = 32/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
72/12 = 72 × 15/12 × 15 = 1080/180 - Add the two like fractions:
32/180 + 1080/180 = 32 + 1080/180 = 1112/180 - 1112/180 simplified gives 278/45
- So, 8/45 + 72/12 = 278/45
In mixed form: 68/45
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