Add 21/80 and 72/14
1st number: 21/80, 2nd number: 5 2/14
21/80 + 72/14 is 3027/560.
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,
21/80 = 21 × 7/80 × 7 = 147/560 - Likewise, for the 2nd fraction, since 14 × 40 = 560,
72/14 = 72 × 40/14 × 40 = 2880/560 - Add the two like fractions:
147/560 + 2880/560 = 147 + 2880/560 = 3027/560 - So, 21/80 + 72/14 = 3027/560
In mixed form: 5227/560
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