Add 56/70 and 12/80
56/70 + 12/80 is 19/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 80 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
56/70 = 56 × 8/70 × 8 = 448/560 - Likewise, for the 2nd fraction, since 80 × 7 = 560,
12/80 = 12 × 7/80 × 7 = 84/560 - Add the two like fractions:
448/560 + 84/560 = 448 + 84/560 = 532/560 - 532/560 simplified gives 19/20
- So, 56/70 + 12/80 = 19/20
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