Add 40/28 and 45/70
1st number: 1 12/28, 2nd number: 45/70
40/28 + 45/70 is 29/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
40/28 = 40 × 5/28 × 5 = 200/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
45/70 = 45 × 2/70 × 2 = 90/140 - Add the two like fractions:
200/140 + 90/140 = 200 + 90/140 = 290/140 - 290/140 simplified gives 29/14
- So, 40/28 + 45/70 = 29/14
In mixed form: 21/14
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