Add 21/5 and 63/54
1st number: 4 1/5, 2nd number: 1 9/54
21/5 + 63/54 is 161/30.
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,
63/54 = 63 × 5/54 × 5 = 315/270 - Add the two like fractions:
1134/270 + 315/270 = 1134 + 315/270 = 1449/270 - 1449/270 simplified gives 161/30
- So, 21/5 + 63/54 = 161/30
In mixed form: 511/30
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