Add 7/30 and 30/28
1st number: 7/30, 2nd number: 1 2/28
7/30 + 30/28 is 137/105.
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,
7/30 = 7 × 14/30 × 14 = 98/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
30/28 = 30 × 15/28 × 15 = 450/420 - Add the two like fractions:
98/420 + 450/420 = 98 + 450/420 = 548/420 - 548/420 simplified gives 137/105
- So, 7/30 + 30/28 = 137/105
In mixed form: 132/105
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