Add 10/45 and 42/49
10/45 + 42/49 is 68/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 49 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 45 × 49 = 2205,
10/45 = 10 × 49/45 × 49 = 490/2205 - Likewise, for the 2nd fraction, since 49 × 45 = 2205,
42/49 = 42 × 45/49 × 45 = 1890/2205 - Add the two like fractions:
490/2205 + 1890/2205 = 490 + 1890/2205 = 2380/2205 - 2380/2205 simplified gives 68/63
- So, 10/45 + 42/49 = 68/63
In mixed form: 15/63
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