Add 40/28 and 9/30
1st number: 1 12/28, 2nd number: 9/30
40/28 + 9/30 is 121/70.
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,
40/28 = 40 × 15/28 × 15 = 600/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
9/30 = 9 × 14/30 × 14 = 126/420 - Add the two like fractions:
600/420 + 126/420 = 600 + 126/420 = 726/420 - 726/420 simplified gives 121/70
- So, 40/28 + 9/30 = 121/70
In mixed form: 151/70
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