Add 70/16 and 90/42
1st number: 4 6/16, 2nd number: 2 6/42
70/16 + 90/42 is 365/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 42 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 16 × 21 = 336,
70/16 = 70 × 21/16 × 21 = 1470/336 - Likewise, for the 2nd fraction, since 42 × 8 = 336,
90/42 = 90 × 8/42 × 8 = 720/336 - Add the two like fractions:
1470/336 + 720/336 = 1470 + 720/336 = 2190/336 - 2190/336 simplified gives 365/56
- So, 70/16 + 90/42 = 365/56
In mixed form: 629/56
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