Add 70/18 and 90/16
1st number: 3 16/18, 2nd number: 5 10/16
70/18 + 90/16 is 685/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 16 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 18 × 8 = 144,
70/18 = 70 × 8/18 × 8 = 560/144 - Likewise, for the 2nd fraction, since 16 × 9 = 144,
90/16 = 90 × 9/16 × 9 = 810/144 - Add the two like fractions:
560/144 + 810/144 = 560 + 810/144 = 1370/144 - 1370/144 simplified gives 685/72
- So, 70/18 + 90/16 = 685/72
In mixed form: 937/72
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