Add 2/28 and 72/15
1st number: 2/28, 2nd number: 4 12/15
2/28 + 72/15 is 341/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
2/28 = 2 × 15/28 × 15 = 30/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
72/15 = 72 × 28/15 × 28 = 2016/420 - Add the two like fractions:
30/420 + 2016/420 = 30 + 2016/420 = 2046/420 - 2046/420 simplified gives 341/70
- So, 2/28 + 72/15 = 341/70
In mixed form: 461/70
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