Add 90/36 and 70/7
1st number: 2 18/36, 2nd number: 10 0/7
90/36 + 70/7 is 25/2.
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,
90/36 = 90 × 7/36 × 7 = 630/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
70/7 = 70 × 36/7 × 36 = 2520/252 - Add the two like fractions:
630/252 + 2520/252 = 630 + 2520/252 = 3150/252 - 3150/252 simplified gives 25/2
- So, 90/36 + 70/7 = 25/2
In mixed form: 121/2
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