Add 75/2 and 21/45
1st number: 37 1/2, 2nd number: 21/45
75/2 + 21/45 is 1139/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
75/2 = 75 × 45/2 × 45 = 3375/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
21/45 = 21 × 2/45 × 2 = 42/90 - Add the two like fractions:
3375/90 + 42/90 = 3375 + 42/90 = 3417/90 - 3417/90 simplified gives 1139/30
- So, 75/2 + 21/45 = 1139/30
In mixed form: 3729/30
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