Add 20/80 and 70/14
1st number: 20/80, 2nd number: 5 0/14
20/80 + 70/14 is 21/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 14 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
20/80 = 20 × 7/80 × 7 = 140/560 - Likewise, for the 2nd fraction, since 14 × 40 = 560,
70/14 = 70 × 40/14 × 40 = 2800/560 - Add the two like fractions:
140/560 + 2800/560 = 140 + 2800/560 = 2940/560 - 2940/560 simplified gives 21/4
- So, 20/80 + 70/14 = 21/4
In mixed form: 51/4
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