Add 84/49 and 15/90
1st number: 1 35/49, 2nd number: 15/90
84/49 + 15/90 is 79/42.
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,
84/49 = 84 × 90/49 × 90 = 7560/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
15/90 = 15 × 49/90 × 49 = 735/4410 - Add the two like fractions:
7560/4410 + 735/4410 = 7560 + 735/4410 = 8295/4410 - 8295/4410 simplified gives 79/42
- So, 84/49 + 15/90 = 79/42
In mixed form: 137/42
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