Add 60/28 and 90/30
1st number: 2 4/28, 2nd number: 3 0/30
60/28 + 90/30 is 36/7.
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,
60/28 = 60 × 15/28 × 15 = 900/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
90/30 = 90 × 14/30 × 14 = 1260/420 - Add the two like fractions:
900/420 + 1260/420 = 900 + 1260/420 = 2160/420 - 2160/420 simplified gives 36/7
- So, 60/28 + 90/30 = 36/7
In mixed form: 51/7
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