Add 90/8 and 21/12
1st number: 11 2/8, 2nd number: 1 9/12
90/8 + 21/12 is 13/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 12 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 8 × 3 = 24,
90/8 = 90 × 3/8 × 3 = 270/24 - Likewise, for the 2nd fraction, since 12 × 2 = 24,
21/12 = 21 × 2/12 × 2 = 42/24 - Add the two like fractions:
270/24 + 42/24 = 270 + 42/24 = 312/24 - 312/24 simplified gives 13/1
- So, 90/8 + 21/12 = 13/1
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