Add 30/36 and 90/7
1st number: 30/36, 2nd number: 12 6/7
30/36 + 90/7 is 575/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
30/36 = 30 × 7/36 × 7 = 210/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
90/7 = 90 × 36/7 × 36 = 3240/252 - Add the two like fractions:
210/252 + 3240/252 = 210 + 3240/252 = 3450/252 - 3450/252 simplified gives 575/42
- So, 30/36 + 90/7 = 575/42
In mixed form: 1329/42
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