Add 48/70 and 40/90
48/70 + 40/90 is 356/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
48/70 = 48 × 9/70 × 9 = 432/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
40/90 = 40 × 7/90 × 7 = 280/630 - Add the two like fractions:
432/630 + 280/630 = 432 + 280/630 = 712/630 - 712/630 simplified gives 356/315
- So, 48/70 + 40/90 = 356/315
In mixed form: 141/315
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