Add 56/28 and 70/20
1st number: 2 0/28, 2nd number: 3 10/20
56/28 + 70/20 is 11/2.
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,
56/28 = 56 × 5/28 × 5 = 280/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
70/20 = 70 × 7/20 × 7 = 490/140 - Add the two like fractions:
280/140 + 490/140 = 280 + 490/140 = 770/140 - 770/140 simplified gives 11/2
- So, 56/28 + 70/20 = 11/2
In mixed form: 51/2
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