Add 1/90 and 72/4
1st number: 1/90, 2nd number: 18 0/4
1/90 + 72/4 is 1621/90.
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,
1/90 = 1 × 2/90 × 2 = 2/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
72/4 = 72 × 45/4 × 45 = 3240/180 - Add the two like fractions:
2/180 + 3240/180 = 2 + 3240/180 = 3242/180 - 3242/180 simplified gives 1621/90
- So, 1/90 + 72/4 = 1621/90
In mixed form: 181/90
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