Add 72/2 and 21/90
1st number: 36 0/2, 2nd number: 21/90
72/2 + 21/90 is 1087/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
72/2 = 72 × 45/2 × 45 = 3240/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
21/90 = 21 × 1/90 × 1 = 21/90 - Add the two like fractions:
3240/90 + 21/90 = 3240 + 21/90 = 3261/90 - 3261/90 simplified gives 1087/30
- So, 72/2 + 21/90 = 1087/30
In mixed form: 367/30
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