Add 45/80 and 12/7
1st number: 45/80, 2nd number: 1 5/7
45/80 + 12/7 is 255/112.
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,
45/80 = 45 × 7/80 × 7 = 315/560 - Likewise, for the 2nd fraction, since 7 × 80 = 560,
12/7 = 12 × 80/7 × 80 = 960/560 - Add the two like fractions:
315/560 + 960/560 = 315 + 960/560 = 1275/560 - 1275/560 simplified gives 255/112
- So, 45/80 + 12/7 = 255/112
In mixed form: 231/112
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