Add 18/98 and 72/21
1st number: 18/98, 2nd number: 3 9/21
18/98 + 72/21 is 177/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 21 is 294
Next, find the equivalent fraction of both fractional numbers with denominator 294 - For the 1st fraction, since 98 × 3 = 294,
18/98 = 18 × 3/98 × 3 = 54/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
72/21 = 72 × 14/21 × 14 = 1008/294 - Add the two like fractions:
54/294 + 1008/294 = 54 + 1008/294 = 1062/294 - 1062/294 simplified gives 177/49
- So, 18/98 + 72/21 = 177/49
In mixed form: 330/49
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