Add 90/54 and 21/5
1st number: 1 36/54, 2nd number: 4 1/5
90/54 + 21/5 is 88/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 5 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
90/54 = 90 × 5/54 × 5 = 450/270 - Likewise, for the 2nd fraction, since 5 × 54 = 270,
21/5 = 21 × 54/5 × 54 = 1134/270 - Add the two like fractions:
450/270 + 1134/270 = 450 + 1134/270 = 1584/270 - 1584/270 simplified gives 88/15
- So, 90/54 + 21/5 = 88/15
In mixed form: 513/15
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