Add 90/20 and 75/45
1st number: 4 10/20, 2nd number: 1 30/45
90/20 + 75/45 is 37/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
90/20 = 90 × 9/20 × 9 = 810/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
75/45 = 75 × 4/45 × 4 = 300/180 - Add the two like fractions:
810/180 + 300/180 = 810 + 300/180 = 1110/180 - 1110/180 simplified gives 37/6
- So, 90/20 + 75/45 = 37/6
In mixed form: 61/6
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