Add 80/28 and 70/20
1st number: 2 24/28, 2nd number: 3 10/20
80/28 + 70/20 is 89/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
80/28 = 80 × 5/28 × 5 = 400/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
70/20 = 70 × 7/20 × 7 = 490/140 - Add the two like fractions:
400/140 + 490/140 = 400 + 490/140 = 890/140 - 890/140 simplified gives 89/14
- So, 80/28 + 70/20 = 89/14
In mixed form: 65/14
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