Add 21/35 and 1/45
21/35 + 1/45 is 28/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
21/35 = 21 × 9/35 × 9 = 189/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
1/45 = 1 × 7/45 × 7 = 7/315 - Add the two like fractions:
189/315 + 7/315 = 189 + 7/315 = 196/315 - 196/315 simplified gives 28/45
- So, 21/35 + 1/45 = 28/45
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