Add 72/12 and 84/45
1st number: 6 0/12, 2nd number: 1 39/45
72/12 + 84/45 is 118/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
72/12 = 72 × 15/12 × 15 = 1080/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
84/45 = 84 × 4/45 × 4 = 336/180 - Add the two like fractions:
1080/180 + 336/180 = 1080 + 336/180 = 1416/180 - 1416/180 simplified gives 118/15
- So, 72/12 + 84/45 = 118/15
In mixed form: 713/15
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