Add 28/7 and 80/10
1st number: 4 0/7, 2nd number: 8 0/10
28/7 + 80/10 is 12/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
28/7 = 28 × 10/7 × 10 = 280/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
80/10 = 80 × 7/10 × 7 = 560/70 - Add the two like fractions:
280/70 + 560/70 = 280 + 560/70 = 840/70 - 840/70 simplified gives 12/1
- So, 28/7 + 80/10 = 12/1
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