Add 45/80 and 70/7
1st number: 45/80, 2nd number: 10 0/7
45/80 + 70/7 is 169/16.
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,
70/7 = 70 × 80/7 × 80 = 5600/560 - Add the two like fractions:
315/560 + 5600/560 = 315 + 5600/560 = 5915/560 - 5915/560 simplified gives 169/16
- So, 45/80 + 70/7 = 169/16
In mixed form: 109/16
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