Add 42/49 and 45/90
42/49 + 45/90 is 19/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 49 × 90 = 4410,
42/49 = 42 × 90/49 × 90 = 3780/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
45/90 = 45 × 49/90 × 49 = 2205/4410 - Add the two like fractions:
3780/4410 + 2205/4410 = 3780 + 2205/4410 = 5985/4410 - 5985/4410 simplified gives 19/14
- So, 42/49 + 45/90 = 19/14
In mixed form: 15/14
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