Add 90/54 and 21/90
1st number: 1 36/54, 2nd number: 21/90
90/54 + 21/90 is 19/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 90 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 90 × 3 = 270,
21/90 = 21 × 3/90 × 3 = 63/270 - Add the two like fractions:
450/270 + 63/270 = 450 + 63/270 = 513/270 - 513/270 simplified gives 19/10
- So, 90/54 + 21/90 = 19/10
In mixed form: 19/10
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