Add 35/20 and 90/12
1st number: 1 15/20, 2nd number: 7 6/12
35/20 + 90/12 is 37/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
35/20 = 35 × 3/20 × 3 = 105/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
90/12 = 90 × 5/12 × 5 = 450/60 - Add the two like fractions:
105/60 + 450/60 = 105 + 450/60 = 555/60 - 555/60 simplified gives 37/4
- So, 35/20 + 90/12 = 37/4
In mixed form: 91/4
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