Add 12/90 and 72/5
1st number: 12/90, 2nd number: 14 2/5
12/90 + 72/5 is 218/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
12/90 = 12 × 1/90 × 1 = 12/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
72/5 = 72 × 18/5 × 18 = 1296/90 - Add the two like fractions:
12/90 + 1296/90 = 12 + 1296/90 = 1308/90 - 1308/90 simplified gives 218/15
- So, 12/90 + 72/5 = 218/15
In mixed form: 148/15
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