Add 12/54 and 45/8
1st number: 12/54, 2nd number: 5 5/8
12/54 + 45/8 is 421/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
12/54 = 12 × 4/54 × 4 = 48/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
45/8 = 45 × 27/8 × 27 = 1215/216 - Add the two like fractions:
48/216 + 1215/216 = 48 + 1215/216 = 1263/216 - 1263/216 simplified gives 421/72
- So, 12/54 + 45/8 = 421/72
In mixed form: 561/72
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