Add 54/90 and 45/30
1st number: 54/90, 2nd number: 1 15/30
54/90 + 45/30 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
54/90 = 54 × 1/90 × 1 = 54/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
45/30 = 45 × 3/30 × 3 = 135/90 - Add the two like fractions:
54/90 + 135/90 = 54 + 135/90 = 189/90 - 189/90 simplified gives 21/10
- So, 54/90 + 45/30 = 21/10
In mixed form: 21/10
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