Add 24/30 and 7/28
24/30 + 7/28 is 21/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
24/30 = 24 × 14/30 × 14 = 336/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
7/28 = 7 × 15/28 × 15 = 105/420 - Add the two like fractions:
336/420 + 105/420 = 336 + 105/420 = 441/420 - 441/420 simplified gives 21/20
- So, 24/30 + 7/28 = 21/20
In mixed form: 11/20
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