Add 81/12 and 48/45
1st number: 6 9/12, 2nd number: 1 3/45
81/12 + 48/45 is 469/60.
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,
81/12 = 81 × 15/12 × 15 = 1215/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
48/45 = 48 × 4/45 × 4 = 192/180 - Add the two like fractions:
1215/180 + 192/180 = 1215 + 192/180 = 1407/180 - 1407/180 simplified gives 469/60
- So, 81/12 + 48/45 = 469/60
In mixed form: 749/60
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