Add 90/48 and 21/7
1st number: 1 42/48, 2nd number: 3 0/7
90/48 + 21/7 is 39/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 7 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
90/48 = 90 × 7/48 × 7 = 630/336 - Likewise, for the 2nd fraction, since 7 × 48 = 336,
21/7 = 21 × 48/7 × 48 = 1008/336 - Add the two like fractions:
630/336 + 1008/336 = 630 + 1008/336 = 1638/336 - 1638/336 simplified gives 39/8
- So, 90/48 + 21/7 = 39/8
In mixed form: 47/8
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