Add 20/70 and 45/28
1st number: 20/70, 2nd number: 1 17/28
20/70 + 45/28 is 53/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
20/70 = 20 × 2/70 × 2 = 40/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
45/28 = 45 × 5/28 × 5 = 225/140 - Add the two like fractions:
40/140 + 225/140 = 40 + 225/140 = 265/140 - 265/140 simplified gives 53/28
- So, 20/70 + 45/28 = 53/28
In mixed form: 125/28
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