Add 40/70 and 30/20
1st number: 40/70, 2nd number: 1 10/20
40/70 + 30/20 is 29/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
40/70 = 40 × 2/70 × 2 = 80/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
30/20 = 30 × 7/20 × 7 = 210/140 - Add the two like fractions:
80/140 + 210/140 = 80 + 210/140 = 290/140 - 290/140 simplified gives 29/14
- So, 40/70 + 30/20 = 29/14
In mixed form: 21/14
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