Add 36/56 and 45/20
1st number: 36/56, 2nd number: 2 5/20
36/56 + 45/20 is 81/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 20 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 56 × 5 = 280,
36/56 = 36 × 5/56 × 5 = 180/280 - Likewise, for the 2nd fraction, since 20 × 14 = 280,
45/20 = 45 × 14/20 × 14 = 630/280 - Add the two like fractions:
180/280 + 630/280 = 180 + 630/280 = 810/280 - 810/280 simplified gives 81/28
- So, 36/56 + 45/20 = 81/28
In mixed form: 225/28
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