Add 30/12 and 90/35
1st number: 2 6/12, 2nd number: 2 20/35
30/12 + 90/35 is 71/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 35 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
30/12 = 30 × 35/12 × 35 = 1050/420 - Likewise, for the 2nd fraction, since 35 × 12 = 420,
90/35 = 90 × 12/35 × 12 = 1080/420 - Add the two like fractions:
1050/420 + 1080/420 = 1050 + 1080/420 = 2130/420 - 2130/420 simplified gives 71/14
- So, 30/12 + 90/35 = 71/14
In mixed form: 51/14
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