Add 40/70 and 90/20
1st number: 40/70, 2nd number: 4 10/20
40/70 + 90/20 is 71/14.
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,
90/20 = 90 × 7/20 × 7 = 630/140 - Add the two like fractions:
80/140 + 630/140 = 80 + 630/140 = 710/140 - 710/140 simplified gives 71/14
- So, 40/70 + 90/20 = 71/14
In mixed form: 51/14
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