Add 90/54 and 21/10
1st number: 1 36/54, 2nd number: 2 1/10
90/54 + 21/10 is 113/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 10 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 10 × 27 = 270,
21/10 = 21 × 27/10 × 27 = 567/270 - Add the two like fractions:
450/270 + 567/270 = 450 + 567/270 = 1017/270 - 1017/270 simplified gives 113/30
- So, 90/54 + 21/10 = 113/30
In mixed form: 323/30
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