Add 21/5 and 12/54
1st number: 4 1/5, 2nd number: 12/54
21/5 + 12/54 is 199/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 5 × 54 = 270,
21/5 = 21 × 54/5 × 54 = 1134/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
12/54 = 12 × 5/54 × 5 = 60/270 - Add the two like fractions:
1134/270 + 60/270 = 1134 + 60/270 = 1194/270 - 1194/270 simplified gives 199/45
- So, 21/5 + 12/54 = 199/45
In mixed form: 419/45
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