Add 56/80 and 45/70
56/80 + 45/70 is 47/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 70 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
56/80 = 56 × 7/80 × 7 = 392/560 - Likewise, for the 2nd fraction, since 70 × 8 = 560,
45/70 = 45 × 8/70 × 8 = 360/560 - Add the two like fractions:
392/560 + 360/560 = 392 + 360/560 = 752/560 - 752/560 simplified gives 47/35
- So, 56/80 + 45/70 = 47/35
In mixed form: 112/35
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