Add 80/30 and 35/42
1st number: 2 20/30, 2nd number: 35/42
80/30 + 35/42 is 7/2.
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,
35/42 = 35 × 5/42 × 5 = 175/210 - Add the two like fractions:
560/210 + 175/210 = 560 + 175/210 = 735/210 - 735/210 simplified gives 7/2
- So, 80/30 + 35/42 = 7/2
In mixed form: 31/2
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