Add 75/45 and 8/20
1st number: 1 30/45, 2nd number: 8/20
75/45 + 8/20 is 31/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
75/45 = 75 × 4/45 × 4 = 300/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
8/20 = 8 × 9/20 × 9 = 72/180 - Add the two like fractions:
300/180 + 72/180 = 300 + 72/180 = 372/180 - 372/180 simplified gives 31/15
- So, 75/45 + 8/20 = 31/15
In mixed form: 21/15
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