Add 80/30 and 8/7
1st number: 2 20/30, 2nd number: 1 1/7
80/30 + 8/7 is 80/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 7 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 7 × 30 = 210,
8/7 = 8 × 30/7 × 30 = 240/210 - Add the two like fractions:
560/210 + 240/210 = 560 + 240/210 = 800/210 - 800/210 simplified gives 80/21
- So, 80/30 + 8/7 = 80/21
In mixed form: 317/21
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