Add 90/10 and 45/30
1st number: 9 0/10, 2nd number: 1 15/30
90/10 + 45/30 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
90/10 = 90 × 3/10 × 3 = 270/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
45/30 = 45 × 1/30 × 1 = 45/30 - Add the two like fractions:
270/30 + 45/30 = 270 + 45/30 = 315/30 - 315/30 simplified gives 21/2
- So, 90/10 + 45/30 = 21/2
In mixed form: 101/2
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