Add 18/21 and 90/49
1st number: 18/21, 2nd number: 1 41/49
18/21 + 90/49 is 132/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 21 × 7 = 147,
18/21 = 18 × 7/21 × 7 = 126/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
90/49 = 90 × 3/49 × 3 = 270/147 - Add the two like fractions:
126/147 + 270/147 = 126 + 270/147 = 396/147 - 396/147 simplified gives 132/49
- So, 18/21 + 90/49 = 132/49
In mixed form: 234/49
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