Add 75/4 and 21/45
1st number: 18 3/4, 2nd number: 21/45
75/4 + 21/45 is 1153/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
75/4 = 75 × 45/4 × 45 = 3375/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
21/45 = 21 × 4/45 × 4 = 84/180 - Add the two like fractions:
3375/180 + 84/180 = 3375 + 84/180 = 3459/180 - 3459/180 simplified gives 1153/60
- So, 75/4 + 21/45 = 1153/60
In mixed form: 1913/60
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