Add 90/2 and 21/30
1st number: 45 0/2, 2nd number: 21/30
90/2 + 21/30 is 457/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 2 × 15 = 30,
90/2 = 90 × 15/2 × 15 = 1350/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
21/30 = 21 × 1/30 × 1 = 21/30 - Add the two like fractions:
1350/30 + 21/30 = 1350 + 21/30 = 1371/30 - 1371/30 simplified gives 457/10
- So, 90/2 + 21/30 = 457/10
In mixed form: 457/10
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