Add 98/90 and 7/40
1st number: 1 8/90, 2nd number: 7/40
98/90 + 7/40 is 91/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
98/90 = 98 × 4/90 × 4 = 392/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
7/40 = 7 × 9/40 × 9 = 63/360 - Add the two like fractions:
392/360 + 63/360 = 392 + 63/360 = 455/360 - 455/360 simplified gives 91/72
- So, 98/90 + 7/40 = 91/72
In mixed form: 119/72
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