Add 15/28 and 70/75
15/28 + 70/75 is 617/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 28 × 75 = 2100,
15/28 = 15 × 75/28 × 75 = 1125/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
70/75 = 70 × 28/75 × 28 = 1960/2100 - Add the two like fractions:
1125/2100 + 1960/2100 = 1125 + 1960/2100 = 3085/2100 - 3085/2100 simplified gives 617/420
- So, 15/28 + 70/75 = 617/420
In mixed form: 1197/420
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