Add 21/5 and 75/54
1st number: 4 1/5, 2nd number: 1 21/54
21/5 + 75/54 is 503/90.
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,
75/54 = 75 × 5/54 × 5 = 375/270 - Add the two like fractions:
1134/270 + 375/270 = 1134 + 375/270 = 1509/270 - 1509/270 simplified gives 503/90
- So, 21/5 + 75/54 = 503/90
In mixed form: 553/90
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