Add 45/28 and 36/20
1st number: 1 17/28, 2nd number: 1 16/20
45/28 + 36/20 is 477/140.
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,
45/28 = 45 × 5/28 × 5 = 225/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
36/20 = 36 × 7/20 × 7 = 252/140 - Add the two like fractions:
225/140 + 252/140 = 225 + 252/140 = 477/140 - So, 45/28 + 36/20 = 477/140
In mixed form: 357/140
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