Add 49/28 and 54/30
1st number: 1 21/28, 2nd number: 1 24/30
49/28 + 54/30 is 71/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
49/28 = 49 × 15/28 × 15 = 735/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
54/30 = 54 × 14/30 × 14 = 756/420 - Add the two like fractions:
735/420 + 756/420 = 735 + 756/420 = 1491/420 - 1491/420 simplified gives 71/20
- So, 49/28 + 54/30 = 71/20
In mixed form: 311/20
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