Add 80/42 and 90/48
1st number: 1 38/42, 2nd number: 1 42/48
80/42 + 90/48 is 635/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
80/42 = 80 × 8/42 × 8 = 640/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
90/48 = 90 × 7/48 × 7 = 630/336 - Add the two like fractions:
640/336 + 630/336 = 640 + 630/336 = 1270/336 - 1270/336 simplified gives 635/168
- So, 80/42 + 90/48 = 635/168
In mixed form: 3131/168
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