Add 20/42 and 80/5
1st number: 20/42, 2nd number: 16 0/5
20/42 + 80/5 is 346/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 5 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
20/42 = 20 × 5/42 × 5 = 100/210 - Likewise, for the 2nd fraction, since 5 × 42 = 210,
80/5 = 80 × 42/5 × 42 = 3360/210 - Add the two like fractions:
100/210 + 3360/210 = 100 + 3360/210 = 3460/210 - 3460/210 simplified gives 346/21
- So, 20/42 + 80/5 = 346/21
In mixed form: 1610/21
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