Add 70/14 and 5/20
1st number: 5 0/14, 2nd number: 5/20
70/14 + 5/20 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
70/14 = 70 × 10/14 × 10 = 700/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
5/20 = 5 × 7/20 × 7 = 35/140 - Add the two like fractions:
700/140 + 35/140 = 700 + 35/140 = 735/140 - 735/140 simplified gives 21/4
- So, 70/14 + 5/20 = 21/4
In mixed form: 51/4
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