Add 80/5 and 28/7
1st number: 16 0/5, 2nd number: 4 0/7
80/5 + 28/7 is 20/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
80/5 = 80 × 7/5 × 7 = 560/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
28/7 = 28 × 5/7 × 5 = 140/35 - Add the two like fractions:
560/35 + 140/35 = 560 + 140/35 = 700/35 - 700/35 simplified gives 20/1
- So, 80/5 + 28/7 = 20/1
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