Add 7/10 and 40/45
7/10 + 40/45 is 143/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 10 × 9 = 90,
7/10 = 7 × 9/10 × 9 = 63/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
40/45 = 40 × 2/45 × 2 = 80/90 - Add the two like fractions:
63/90 + 80/90 = 63 + 80/90 = 143/90 - So, 7/10 + 40/45 = 143/90
In mixed form: 153/90
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