Add 20/98 and 70/21
1st number: 20/98, 2nd number: 3 7/21
20/98 + 70/21 is 520/147.
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,
20/98 = 20 × 3/98 × 3 = 60/294 - Likewise, for the 2nd fraction, since 21 × 14 = 294,
70/21 = 70 × 14/21 × 14 = 980/294 - Add the two like fractions:
60/294 + 980/294 = 60 + 980/294 = 1040/294 - 1040/294 simplified gives 520/147
- So, 20/98 + 70/21 = 520/147
In mixed form: 379/147
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