Add 80/30 and 10/42
1st number: 2 20/30, 2nd number: 10/42
80/30 + 10/42 is 61/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
80/30 = 80 × 7/30 × 7 = 560/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
10/42 = 10 × 5/42 × 5 = 50/210 - Add the two like fractions:
560/210 + 50/210 = 560 + 50/210 = 610/210 - 610/210 simplified gives 61/21
- So, 80/30 + 10/42 = 61/21
In mixed form: 219/21
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