Add 70/20 and 80/14
1st number: 3 10/20, 2nd number: 5 10/14
70/20 + 80/14 is 129/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 14 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
70/20 = 70 × 7/20 × 7 = 490/140 - Likewise, for the 2nd fraction, since 14 × 10 = 140,
80/14 = 80 × 10/14 × 10 = 800/140 - Add the two like fractions:
490/140 + 800/140 = 490 + 800/140 = 1290/140 - 1290/140 simplified gives 129/14
- So, 70/20 + 80/14 = 129/14
In mixed form: 93/14
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