Add 7/90 and 20/4
1st number: 7/90, 2nd number: 5 0/4
7/90 + 20/4 is 457/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
7/90 = 7 × 2/90 × 2 = 14/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
20/4 = 20 × 45/4 × 45 = 900/180 - Add the two like fractions:
14/180 + 900/180 = 14 + 900/180 = 914/180 - 914/180 simplified gives 457/90
- So, 7/90 + 20/4 = 457/90
In mixed form: 57/90
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