Add 21/5 and 45/54
1st number: 4 1/5, 2nd number: 45/54
21/5 + 45/54 is 151/30.
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,
45/54 = 45 × 5/54 × 5 = 225/270 - Add the two like fractions:
1134/270 + 225/270 = 1134 + 225/270 = 1359/270 - 1359/270 simplified gives 151/30
- So, 21/5 + 45/54 = 151/30
In mixed form: 51/30
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