Add 21/5 and 42/54
1st number: 4 1/5, 2nd number: 42/54
21/5 + 42/54 is 224/45.
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,
42/54 = 42 × 5/54 × 5 = 210/270 - Add the two like fractions:
1134/270 + 210/270 = 1134 + 210/270 = 1344/270 - 1344/270 simplified gives 224/45
- So, 21/5 + 42/54 = 224/45
In mixed form: 444/45
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