Add 72/98 and 90/45
1st number: 72/98, 2nd number: 2 0/45
72/98 + 90/45 is 134/49.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 45 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 98 × 45 = 4410,
72/98 = 72 × 45/98 × 45 = 3240/4410 - Likewise, for the 2nd fraction, since 45 × 98 = 4410,
90/45 = 90 × 98/45 × 98 = 8820/4410 - Add the two like fractions:
3240/4410 + 8820/4410 = 3240 + 8820/4410 = 12060/4410 - 12060/4410 simplified gives 134/49
- So, 72/98 + 90/45 = 134/49
In mixed form: 236/49
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