Add 45/14 and 90/12
1st number: 3 3/14, 2nd number: 7 6/12
45/14 + 90/12 is 75/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 14 × 6 = 84,
45/14 = 45 × 6/14 × 6 = 270/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
90/12 = 90 × 7/12 × 7 = 630/84 - Add the two like fractions:
270/84 + 630/84 = 270 + 630/84 = 900/84 - 900/84 simplified gives 75/7
- So, 45/14 + 90/12 = 75/7
In mixed form: 105/7
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