Add 72/48 and 8/21
1st number: 1 24/48, 2nd number: 8/21
72/48 + 8/21 is 79/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 21 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 48 × 7 = 336,
72/48 = 72 × 7/48 × 7 = 504/336 - Likewise, for the 2nd fraction, since 21 × 16 = 336,
8/21 = 8 × 16/21 × 16 = 128/336 - Add the two like fractions:
504/336 + 128/336 = 504 + 128/336 = 632/336 - 632/336 simplified gives 79/42
- So, 72/48 + 8/21 = 79/42
In mixed form: 137/42
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