Add 90/36 and 72/15
1st number: 2 18/36, 2nd number: 4 12/15
90/36 + 72/15 is 73/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 15 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 15 × 12 = 180,
72/15 = 72 × 12/15 × 12 = 864/180 - Add the two like fractions:
450/180 + 864/180 = 450 + 864/180 = 1314/180 - 1314/180 simplified gives 73/10
- So, 90/36 + 72/15 = 73/10
In mixed form: 73/10
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