Add 21/5 and 30/54
1st number: 4 1/5, 2nd number: 30/54
21/5 + 30/54 is 214/45.
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,
30/54 = 30 × 5/54 × 5 = 150/270 - Add the two like fractions:
1134/270 + 150/270 = 1134 + 150/270 = 1284/270 - 1284/270 simplified gives 214/45
- So, 21/5 + 30/54 = 214/45
In mixed form: 434/45
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