Add 3/30 and 40/28
1st number: 3/30, 2nd number: 1 12/28
3/30 + 40/28 is 107/70.
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,
3/30 = 3 × 14/30 × 14 = 42/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
40/28 = 40 × 15/28 × 15 = 600/420 - Add the two like fractions:
42/420 + 600/420 = 42 + 600/420 = 642/420 - 642/420 simplified gives 107/70
- So, 3/30 + 40/28 = 107/70
In mixed form: 137/70
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