Add 90/8 and 70/12
1st number: 11 2/8, 2nd number: 5 10/12
90/8 + 70/12 is 205/12.
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,
70/12 = 70 × 2/12 × 2 = 140/24 - Add the two like fractions:
270/24 + 140/24 = 270 + 140/24 = 410/24 - 410/24 simplified gives 205/12
- So, 90/8 + 70/12 = 205/12
In mixed form: 171/12
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