Add 90/36 and 84/45
1st number: 2 18/36, 2nd number: 1 39/45
90/36 + 84/45 is 131/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
90/36 = 90 × 5/36 × 5 = 450/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
84/45 = 84 × 4/45 × 4 = 336/180 - Add the two like fractions:
450/180 + 336/180 = 450 + 336/180 = 786/180 - 786/180 simplified gives 131/30
- So, 90/36 + 84/45 = 131/30
In mixed form: 411/30
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