Add 30/90 and 4/28
30/90 + 4/28 is 10/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
30/90 = 30 × 14/90 × 14 = 420/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
4/28 = 4 × 45/28 × 45 = 180/1260 - Add the two like fractions:
420/1260 + 180/1260 = 420 + 180/1260 = 600/1260 - 600/1260 simplified gives 10/21
- So, 30/90 + 4/28 = 10/21
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