Add 40/7 and 21/48
1st number: 5 5/7, 2nd number: 21/48
40/7 + 21/48 is 689/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 7 × 48 = 336,
40/7 = 40 × 48/7 × 48 = 1920/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
21/48 = 21 × 7/48 × 7 = 147/336 - Add the two like fractions:
1920/336 + 147/336 = 1920 + 147/336 = 2067/336 - 2067/336 simplified gives 689/112
- So, 40/7 + 21/48 = 689/112
In mixed form: 617/112
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