Add 50/15 and 80/42
1st number: 3 5/15, 2nd number: 1 38/42
50/15 + 80/42 is 110/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
50/15 = 50 × 14/15 × 14 = 700/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
80/42 = 80 × 5/42 × 5 = 400/210 - Add the two like fractions:
700/210 + 400/210 = 700 + 400/210 = 1100/210 - 1100/210 simplified gives 110/21
- So, 50/15 + 80/42 = 110/21
In mixed form: 55/21
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