Add 15/80 and 21/14
1st number: 15/80, 2nd number: 1 7/14
15/80 + 21/14 is 27/16.
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,
15/80 = 15 × 7/80 × 7 = 105/560 - Likewise, for the 2nd fraction, since 14 × 40 = 560,
21/14 = 21 × 40/14 × 40 = 840/560 - Add the two like fractions:
105/560 + 840/560 = 105 + 840/560 = 945/560 - 945/560 simplified gives 27/16
- So, 15/80 + 21/14 = 27/16
In mixed form: 111/16
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