Add 80/20 and 75/70
1st number: 4 0/20, 2nd number: 1 5/70
80/20 + 75/70 is 71/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
80/20 = 80 × 7/20 × 7 = 560/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
75/70 = 75 × 2/70 × 2 = 150/140 - Add the two like fractions:
560/140 + 150/140 = 560 + 150/140 = 710/140 - 710/140 simplified gives 71/14
- So, 80/20 + 75/70 = 71/14
In mixed form: 51/14
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