Add 7/28 and 9/60
7/28 + 9/60 is 2/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
7/28 = 7 × 15/28 × 15 = 105/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
9/60 = 9 × 7/60 × 7 = 63/420 - Add the two like fractions:
105/420 + 63/420 = 105 + 63/420 = 168/420 - 168/420 simplified gives 2/5
- So, 7/28 + 9/60 = 2/5
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