Add 70/16 and 80/90
1st number: 4 6/16, 2nd number: 80/90
70/16 + 80/90 is 379/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
70/16 = 70 × 45/16 × 45 = 3150/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
80/90 = 80 × 8/90 × 8 = 640/720 - Add the two like fractions:
3150/720 + 640/720 = 3150 + 640/720 = 3790/720 - 3790/720 simplified gives 379/72
- So, 70/16 + 80/90 = 379/72
In mixed form: 519/72
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