Add 42/45 and 12/49
42/45 + 12/49 is 866/735.
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,
42/45 = 42 × 49/45 × 49 = 2058/2205 - Likewise, for the 2nd fraction, since 49 × 45 = 2205,
12/49 = 12 × 45/49 × 45 = 540/2205 - Add the two like fractions:
2058/2205 + 540/2205 = 2058 + 540/2205 = 2598/2205 - 2598/2205 simplified gives 866/735
- So, 42/45 + 12/49 = 866/735
In mixed form: 1131/735
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