Add 18/12 and 90/10
1st number: 1 6/12, 2nd number: 9 0/10
18/12 + 90/10 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 10 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
18/12 = 18 × 5/12 × 5 = 90/60 - Likewise, for the 2nd fraction, since 10 × 6 = 60,
90/10 = 90 × 6/10 × 6 = 540/60 - Add the two like fractions:
90/60 + 540/60 = 90 + 540/60 = 630/60 - 630/60 simplified gives 21/2
- So, 18/12 + 90/10 = 21/2
In mixed form: 101/2
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