Add 42/98 and 20/5
1st number: 42/98, 2nd number: 4 0/5
42/98 + 20/5 is 31/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 5 is 490
Next, find the equivalent fraction of both fractional numbers with denominator 490 - For the 1st fraction, since 98 × 5 = 490,
42/98 = 42 × 5/98 × 5 = 210/490 - Likewise, for the 2nd fraction, since 5 × 98 = 490,
20/5 = 20 × 98/5 × 98 = 1960/490 - Add the two like fractions:
210/490 + 1960/490 = 210 + 1960/490 = 2170/490 - 2170/490 simplified gives 31/7
- So, 42/98 + 20/5 = 31/7
In mixed form: 43/7
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