Add 42/98 and 20/28
42/98 + 20/28 is 8/7.
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,
42/98 = 42 × 2/98 × 2 = 84/196 - Likewise, for the 2nd fraction, since 28 × 7 = 196,
20/28 = 20 × 7/28 × 7 = 140/196 - Add the two like fractions:
84/196 + 140/196 = 84 + 140/196 = 224/196 - 224/196 simplified gives 8/7
- So, 42/98 + 20/28 = 8/7
In mixed form: 11/7
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