Add 90/30 and 42/49
1st number: 3 0/30, 2nd number: 42/49
90/30 + 42/49 is 27/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 49 is 1470
Next, find the equivalent fraction of both fractional numbers with denominator 1470 - For the 1st fraction, since 30 × 49 = 1470,
90/30 = 90 × 49/30 × 49 = 4410/1470 - Likewise, for the 2nd fraction, since 49 × 30 = 1470,
42/49 = 42 × 30/49 × 30 = 1260/1470 - Add the two like fractions:
4410/1470 + 1260/1470 = 4410 + 1260/1470 = 5670/1470 - 5670/1470 simplified gives 27/7
- So, 90/30 + 42/49 = 27/7
In mixed form: 36/7
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