Add 4/20 and 81/45
1st number: 4/20, 2nd number: 1 36/45
4/20 + 81/45 is 2/1.
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,
4/20 = 4 × 9/20 × 9 = 36/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
81/45 = 81 × 4/45 × 4 = 324/180 - Add the two like fractions:
36/180 + 324/180 = 36 + 324/180 = 360/180 - 360/180 simplified gives 2/1
- So, 4/20 + 81/45 = 2/1
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