Add 56/28 and 90/30
1st number: 2 0/28, 2nd number: 3 0/30
56/28 + 90/30 is 5/1.
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,
56/28 = 56 × 15/28 × 15 = 840/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
90/30 = 90 × 14/30 × 14 = 1260/420 - Add the two like fractions:
840/420 + 1260/420 = 840 + 1260/420 = 2100/420 - 2100/420 simplified gives 5/1
- So, 56/28 + 90/30 = 5/1
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