Add 20/28 and 45/98
20/28 + 45/98 is 115/98.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 98 is 196
Next, find the equivalent fraction of both fractional numbers with denominator 196 - For the 1st fraction, since 28 × 7 = 196,
20/28 = 20 × 7/28 × 7 = 140/196 - Likewise, for the 2nd fraction, since 98 × 2 = 196,
45/98 = 45 × 2/98 × 2 = 90/196 - Add the two like fractions:
140/196 + 90/196 = 140 + 90/196 = 230/196 - 230/196 simplified gives 115/98
- So, 20/28 + 45/98 = 115/98
In mixed form: 117/98
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