Add 3/90 and 45/20
1st number: 3/90, 2nd number: 2 5/20
3/90 + 45/20 is 137/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 20 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
3/90 = 3 × 2/90 × 2 = 6/180 - Likewise, for the 2nd fraction, since 20 × 9 = 180,
45/20 = 45 × 9/20 × 9 = 405/180 - Add the two like fractions:
6/180 + 405/180 = 6 + 405/180 = 411/180 - 411/180 simplified gives 137/60
- So, 3/90 + 45/20 = 137/60
In mixed form: 217/60
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