Add 7/2 and 72/90
1st number: 3 1/2, 2nd number: 72/90
7/2 + 72/90 is 43/10.
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,
7/2 = 7 × 45/2 × 45 = 315/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
72/90 = 72 × 1/90 × 1 = 72/90 - Add the two like fractions:
315/90 + 72/90 = 315 + 72/90 = 387/90 - 387/90 simplified gives 43/10
- So, 7/2 + 72/90 = 43/10
In mixed form: 43/10
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