Add 3/80 and 5/7
3/80 + 5/7 is 421/560.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 7 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
3/80 = 3 × 7/80 × 7 = 21/560 - Likewise, for the 2nd fraction, since 7 × 80 = 560,
5/7 = 5 × 80/7 × 80 = 400/560 - Add the two like fractions:
21/560 + 400/560 = 21 + 400/560 = 421/560 - So, 3/80 + 5/7 = 421/560
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