Add 80/70 and 90/16
1st number: 1 10/70, 2nd number: 5 10/16
80/70 + 90/16 is 379/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 16 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 70 × 8 = 560,
80/70 = 80 × 8/70 × 8 = 640/560 - Likewise, for the 2nd fraction, since 16 × 35 = 560,
90/16 = 90 × 35/16 × 35 = 3150/560 - Add the two like fractions:
640/560 + 3150/560 = 640 + 3150/560 = 3790/560 - 3790/560 simplified gives 379/56
- So, 80/70 + 90/16 = 379/56
In mixed form: 643/56
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