Add 90/49 and 72/90
1st number: 1 41/49, 2nd number: 72/90
90/49 + 72/90 is 646/245.
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,
90/49 = 90 × 90/49 × 90 = 8100/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
72/90 = 72 × 49/90 × 49 = 3528/4410 - Add the two like fractions:
8100/4410 + 3528/4410 = 8100 + 3528/4410 = 11628/4410 - 11628/4410 simplified gives 646/245
- So, 90/49 + 72/90 = 646/245
In mixed form: 2156/245
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