Add 28/80 and 70/14
1st number: 28/80, 2nd number: 5 0/14
28/80 + 70/14 is 107/20.
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,
28/80 = 28 × 7/80 × 7 = 196/560 - Likewise, for the 2nd fraction, since 14 × 40 = 560,
70/14 = 70 × 40/14 × 40 = 2800/560 - Add the two like fractions:
196/560 + 2800/560 = 196 + 2800/560 = 2996/560 - 2996/560 simplified gives 107/20
- So, 28/80 + 70/14 = 107/20
In mixed form: 57/20
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