Add 81/98 and 90/28
1st number: 81/98, 2nd number: 3 6/28
81/98 + 90/28 is 198/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 28 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 98 × 2 = 196,
81/98 = 81 × 2/98 × 2 = 162/196 - Likewise, for the 2nd fraction, since 28 × 7 = 196,
90/28 = 90 × 7/28 × 7 = 630/196 - Add the two like fractions:
162/196 + 630/196 = 162 + 630/196 = 792/196 - 792/196 simplified gives 198/49
- So, 81/98 + 90/28 = 198/49
In mixed form: 42/49
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